Research ArticleArticle
Preliminary Definitions for Sacroiliac Joint Pathologies in the OMERACT Juvenile Idiopathic Arthritis Magnetic Resonance Imaging Score (OMERACT JAMRIS-SIJ)
Tarimobo M. Otobo, Philip G. Conaghan, Walter P. Maksymowych, Desiree van der Heijde, Pamela Weiss, Iwona Sudol-Szopinska, Nele Herregods, Jacob L. Jaremko, Arthur B. Meyers, Dax Rumsey, Emilio C. Inarejos, Eva Kirkhus, Jennifer Stimec, Jyoti Panwar, Kevin Thorpe, Lennart Jans, M.A. van Rossum, Mirkamal Tolend, Manuela Perez, Nikolay Tzaribachev, Pulukool Sandhya, Shirley Tse, Simone Appenzeller, Vimarsha G. Swami, Zahi Touma, Robert Lambert and Andrea S. Doria
The Journal of Rheumatology February 2019, jrheum.181115; DOI: https://doi.org/10.3899/jrheum.181115
Tarimobo M. Otobo
From the Institute of Medical Sciences, Faculty of Medicine, University of Toronto; Department of Diagnostic Imaging, The Hospital for Sick Children; Department of Translational Medicine, SickKids Research Institute, Peter Gilgan Center for Research and Learning; Dalla Lana School of Public Health, University of Toronto; Division of Rheumatology, The Hospital for Sick Children, University of Toronto; Department of Medical Imaging, University of Toronto; Department of Rheumatology, Center for Prognosis Studies in Rheumatologic Diseases, Toronto Western Hospital, Toronto, Ontario; Department of Rheumatology, University of Alberta; Department of Radiology and Diagnostic Imaging, University of Alberta; Division of Pediatric Rheumatology, Department of Pediatrics, University of Alberta, Edmonton, Alberta, Canada; Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds; UK National Institute for Health Research (NIHR) Leeds Biomedical Research Centre, Leeds Teaching Hospitals National Health Service (NHS) Trust, Leeds, UK; Department of Rheumatology, Leiden University Medical Center, Leiden; Reade | Emma Children’s Hospital/Academic Medical Center, Amsterdam, the Netherlands; University of Pennsylvania Perelman School of Medicine, Division of Rheumatology, Children’s Hospital of Philadelphia and Departments of Pediatric and Epidemiology, Philadelphia, Pennsylvania; Department of Radiology, Nemours Children’s Hospital and Health System, Orlando, Florida, USA; Department of Radiology, National Institute of Geriatrics, Rheumatology and Rehabilitation, Warsaw, Poland; Department of Radiology and Medical Imaging, Ghent University Hospital, Ghent, Belgium; Department of Radiology, Hospital Sant Joan de Deu, Barcelona, Spain; Department of Radiology, Rikshospitalet, Oslo University Hospital, Oslo, Norway; Pediatric Rheumatology Research Institute, Bad Bramstedt, Germany; Department of Clinical Immunology and Rheumatology, Christian Medical College, Vellore, India; State University of Campina-UNICAMP, Department of Internal Medicine, Cidade Universitaria, Sao Paulo, Brazil. P.G. Conaghan is funded in part by the NIHR Leeds Biomedical Research Centre. The views expressed are those of the authors and not necessarily those of the NHS, the NIHR, or the UK Department of Health. T.M. Otobo, MD, MSc, BMedSc, Institute of Medical Sciences, Faculty of Medicine, University of Toronto, and Department of Diagnostic Imaging, The Hospital for Sick Children, and Department of Translational Medicine, SickKids Research Institute, Peter Gilgan Center for Research and Learning; P.G. Conaghan, PhD, MB BS, Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, and NIHR Leeds Biomedical Research Centre, Leeds Teaching Hospitals NHS Trust; W.P. Maksymowych, PhD, MB BS, FRACP, FRCP, Department of Rheumatology, University of Alberta; D. van der Heijde, MD, PhD, Department of Rheumatology, Leiden University Medical Center; P. Weiss, MD, MSCE, University of Pennsylvania Perelman School of Medicine, Division of Rheumatology, Children’s Hospital of Philadelphia and Departments of Pediatric and Epidemiology; I. Sudol-Szopinska, MD, PhD, Department of Radiology, National Institute of Geriatrics, Rheumatology and Rehabilitation; N. Herregods, MD, PhD, Department of Radiology and Medical Imaging, Ghent University Hospital; J.L. Jaremko, MD, PhD, FRCPC, Department of Radiology and Diagnostic Imaging, University of Alberta; A.B. Meyers, MD, Department of Radiology, Nemours Children’s Hospital and Health System; D. Rumsey, MD, FRCPC, Division of Pediatric Rheumatology, Department of Pediatrics, University of Alberta; E.C. Inarejos, MD, Department of Radiology, Hospital Sant Joan de Deu; E. Kirkhus, MD, PhD, Department of Radiology, Rikshospitalet, Oslo University Hospital; J. Stimec, MD, FRCPC, Department of Diagnostic Imaging, The Hospital for Sick Children; J. Panwar, MD, Department of Diagnostic Imaging, The Hospital for Sick Children; K. Thorpe, BMath, MMath, Dalla Lana School of Public Health, University of Toronto; L. Jans, MD, PhD, Department of Radiology and Medical Imaging, Ghent University Hospital; M.A. van Rossum, MD, PhD, Reade | Emma Children’s Hospital/Academic Medical Center; M. Tolend, BSc, Institute of Medical Sciences, Faculty of Medicine, University of Toronto, and Department of Diagnostic Imaging, The Hospital for Sick Children, and Department of Translational Medicine, SickKids Research Institute, Peter Gilgan Center for Research and Learning; M. Perez, MD, Department of Diagnostic Imaging, The Hospital for Sick Children; N. Tzaribachev, MD, Pediatric Rheumatology Research Institute; P. Sandhya, MD, Department of Clinical Immunology and Rheumatology, Christian Medical College; S. Tse, MD, FRCPC, Division of Rheumatology, The Hospital for Sick Children, University of Toronto; A. Simone, MD, PhD, State University of Campina-UNICAMP, Department of Internal Medicine, Cidade Universitaria; V.G. Swami, MD, BSc, Department of Medical Imaging, University of Toronto; Z. Touma, MD, PhD, FACP, FACR, Department of Rheumatology, Center for Prognosis Studies in Rheumatologic Diseases, Toronto Western Hospital; R. Lambert, MB BCh, FRCR, FRCPC, Department of Radiology and Diagnostic Imaging, University of Alberta; A.S. Doria, MD, PhD, MSc, Institute of Medical Sciences, Faculty of Medicine, University of Toronto, and Department of Diagnostic Imaging, The Hospital for Sick Children, and Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, and NIHR Leeds Biomedical Research Centre, Leeds Teaching Hospitals NHS Trust, and Department of Medical Imaging, University of Toronto. Address correspondence to Dr. A.S. Doria, Department of Diagnostic Imaging, The Hospital for Sick Children, 555 University Ave., Toronto, Ontario M5G 1X8, Canada. E-mail: andrea.doria@sickkids.ca Accepted for publication January 30, 2019.
Philip G. Conaghan
From the Institute of Medical Sciences, Faculty of Medicine, University of Toronto; Department of Diagnostic Imaging, The Hospital for Sick Children; Department of Translational Medicine, SickKids Research Institute, Peter Gilgan Center for Research and Learning; Dalla Lana School of Public Health, University of Toronto; Division of Rheumatology, The Hospital for Sick Children, University of Toronto; Department of Medical Imaging, University of Toronto; Department of Rheumatology, Center for Prognosis Studies in Rheumatologic Diseases, Toronto Western Hospital, Toronto, Ontario; Department of Rheumatology, University of Alberta; Department of Radiology and Diagnostic Imaging, University of Alberta; Division of Pediatric Rheumatology, Department of Pediatrics, University of Alberta, Edmonton, Alberta, Canada; Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds; UK National Institute for Health Research (NIHR) Leeds Biomedical Research Centre, Leeds Teaching Hospitals National Health Service (NHS) Trust, Leeds, UK; Department of Rheumatology, Leiden University Medical Center, Leiden; Reade | Emma Children’s Hospital/Academic Medical Center, Amsterdam, the Netherlands; University of Pennsylvania Perelman School of Medicine, Division of Rheumatology, Children’s Hospital of Philadelphia and Departments of Pediatric and Epidemiology, Philadelphia, Pennsylvania; Department of Radiology, Nemours Children’s Hospital and Health System, Orlando, Florida, USA; Department of Radiology, National Institute of Geriatrics, Rheumatology and Rehabilitation, Warsaw, Poland; Department of Radiology and Medical Imaging, Ghent University Hospital, Ghent, Belgium; Department of Radiology, Hospital Sant Joan de Deu, Barcelona, Spain; Department of Radiology, Rikshospitalet, Oslo University Hospital, Oslo, Norway; Pediatric Rheumatology Research Institute, Bad Bramstedt, Germany; Department of Clinical Immunology and Rheumatology, Christian Medical College, Vellore, India; State University of Campina-UNICAMP, Department of Internal Medicine, Cidade Universitaria, Sao Paulo, Brazil. P.G. Conaghan is funded in part by the NIHR Leeds Biomedical Research Centre. The views expressed are those of the authors and not necessarily those of the NHS, the NIHR, or the UK Department of Health. T.M. Otobo, MD, MSc, BMedSc, Institute of Medical Sciences, Faculty of Medicine, University of Toronto, and Department of Diagnostic Imaging, The Hospital for Sick Children, and Department of Translational Medicine, SickKids Research Institute, Peter Gilgan Center for Research and Learning; P.G. Conaghan, PhD, MB BS, Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, and NIHR Leeds Biomedical Research Centre, Leeds Teaching Hospitals NHS Trust; W.P. Maksymowych, PhD, MB BS, FRACP, FRCP, Department of Rheumatology, University of Alberta; D. van der Heijde, MD, PhD, Department of Rheumatology, Leiden University Medical Center; P. Weiss, MD, MSCE, University of Pennsylvania Perelman School of Medicine, Division of Rheumatology, Children’s Hospital of Philadelphia and Departments of Pediatric and Epidemiology; I. Sudol-Szopinska, MD, PhD, Department of Radiology, National Institute of Geriatrics, Rheumatology and Rehabilitation; N. Herregods, MD, PhD, Department of Radiology and Medical Imaging, Ghent University Hospital; J.L. Jaremko, MD, PhD, FRCPC, Department of Radiology and Diagnostic Imaging, University of Alberta; A.B. Meyers, MD, Department of Radiology, Nemours Children’s Hospital and Health System; D. Rumsey, MD, FRCPC, Division of Pediatric Rheumatology, Department of Pediatrics, University of Alberta; E.C. Inarejos, MD, Department of Radiology, Hospital Sant Joan de Deu; E. Kirkhus, MD, PhD, Department of Radiology, Rikshospitalet, Oslo University Hospital; J. Stimec, MD, FRCPC, Department of Diagnostic Imaging, The Hospital for Sick Children; J. Panwar, MD, Department of Diagnostic Imaging, The Hospital for Sick Children; K. Thorpe, BMath, MMath, Dalla Lana School of Public Health, University of Toronto; L. Jans, MD, PhD, Department of Radiology and Medical Imaging, Ghent University Hospital; M.A. van Rossum, MD, PhD, Reade | Emma Children’s Hospital/Academic Medical Center; M. Tolend, BSc, Institute of Medical Sciences, Faculty of Medicine, University of Toronto, and Department of Diagnostic Imaging, The Hospital for Sick Children, and Department of Translational Medicine, SickKids Research Institute, Peter Gilgan Center for Research and Learning; M. Perez, MD, Department of Diagnostic Imaging, The Hospital for Sick Children; N. Tzaribachev, MD, Pediatric Rheumatology Research Institute; P. Sandhya, MD, Department of Clinical Immunology and Rheumatology, Christian Medical College; S. Tse, MD, FRCPC, Division of Rheumatology, The Hospital for Sick Children, University of Toronto; A. Simone, MD, PhD, State University of Campina-UNICAMP, Department of Internal Medicine, Cidade Universitaria; V.G. Swami, MD, BSc, Department of Medical Imaging, University of Toronto; Z. Touma, MD, PhD, FACP, FACR, Department of Rheumatology, Center for Prognosis Studies in Rheumatologic Diseases, Toronto Western Hospital; R. Lambert, MB BCh, FRCR, FRCPC, Department of Radiology and Diagnostic Imaging, University of Alberta; A.S. Doria, MD, PhD, MSc, Institute of Medical Sciences, Faculty of Medicine, University of Toronto, and Department of Diagnostic Imaging, The Hospital for Sick Children, and Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, and NIHR Leeds Biomedical Research Centre, Leeds Teaching Hospitals NHS Trust, and Department of Medical Imaging, University of Toronto. Address correspondence to Dr. A.S. Doria, Department of Diagnostic Imaging, The Hospital for Sick Children, 555 University Ave., Toronto, Ontario M5G 1X8, Canada. E-mail: andrea.doria@sickkids.ca Accepted for publication January 30, 2019.
Walter P. Maksymowych
From the Institute of Medical Sciences, Faculty of Medicine, University of Toronto; Department of Diagnostic Imaging, The Hospital for Sick Children; Department of Translational Medicine, SickKids Research Institute, Peter Gilgan Center for Research and Learning; Dalla Lana School of Public Health, University of Toronto; Division of Rheumatology, The Hospital for Sick Children, University of Toronto; Department of Medical Imaging, University of Toronto; Department of Rheumatology, Center for Prognosis Studies in Rheumatologic Diseases, Toronto Western Hospital, Toronto, Ontario; Department of Rheumatology, University of Alberta; Department of Radiology and Diagnostic Imaging, University of Alberta; Division of Pediatric Rheumatology, Department of Pediatrics, University of Alberta, Edmonton, Alberta, Canada; Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds; UK National Institute for Health Research (NIHR) Leeds Biomedical Research Centre, Leeds Teaching Hospitals National Health Service (NHS) Trust, Leeds, UK; Department of Rheumatology, Leiden University Medical Center, Leiden; Reade | Emma Children’s Hospital/Academic Medical Center, Amsterdam, the Netherlands; University of Pennsylvania Perelman School of Medicine, Division of Rheumatology, Children’s Hospital of Philadelphia and Departments of Pediatric and Epidemiology, Philadelphia, Pennsylvania; Department of Radiology, Nemours Children’s Hospital and Health System, Orlando, Florida, USA; Department of Radiology, National Institute of Geriatrics, Rheumatology and Rehabilitation, Warsaw, Poland; Department of Radiology and Medical Imaging, Ghent University Hospital, Ghent, Belgium; Department of Radiology, Hospital Sant Joan de Deu, Barcelona, Spain; Department of Radiology, Rikshospitalet, Oslo University Hospital, Oslo, Norway; Pediatric Rheumatology Research Institute, Bad Bramstedt, Germany; Department of Clinical Immunology and Rheumatology, Christian Medical College, Vellore, India; State University of Campina-UNICAMP, Department of Internal Medicine, Cidade Universitaria, Sao Paulo, Brazil. P.G. Conaghan is funded in part by the NIHR Leeds Biomedical Research Centre. The views expressed are those of the authors and not necessarily those of the NHS, the NIHR, or the UK Department of Health. T.M. Otobo, MD, MSc, BMedSc, Institute of Medical Sciences, Faculty of Medicine, University of Toronto, and Department of Diagnostic Imaging, The Hospital for Sick Children, and Department of Translational Medicine, SickKids Research Institute, Peter Gilgan Center for Research and Learning; P.G. Conaghan, PhD, MB BS, Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, and NIHR Leeds Biomedical Research Centre, Leeds Teaching Hospitals NHS Trust; W.P. Maksymowych, PhD, MB BS, FRACP, FRCP, Department of Rheumatology, University of Alberta; D. van der Heijde, MD, PhD, Department of Rheumatology, Leiden University Medical Center; P. Weiss, MD, MSCE, University of Pennsylvania Perelman School of Medicine, Division of Rheumatology, Children’s Hospital of Philadelphia and Departments of Pediatric and Epidemiology; I. Sudol-Szopinska, MD, PhD, Department of Radiology, National Institute of Geriatrics, Rheumatology and Rehabilitation; N. Herregods, MD, PhD, Department of Radiology and Medical Imaging, Ghent University Hospital; J.L. Jaremko, MD, PhD, FRCPC, Department of Radiology and Diagnostic Imaging, University of Alberta; A.B. Meyers, MD, Department of Radiology, Nemours Children’s Hospital and Health System; D. Rumsey, MD, FRCPC, Division of Pediatric Rheumatology, Department of Pediatrics, University of Alberta; E.C. Inarejos, MD, Department of Radiology, Hospital Sant Joan de Deu; E. Kirkhus, MD, PhD, Department of Radiology, Rikshospitalet, Oslo University Hospital; J. Stimec, MD, FRCPC, Department of Diagnostic Imaging, The Hospital for Sick Children; J. Panwar, MD, Department of Diagnostic Imaging, The Hospital for Sick Children; K. Thorpe, BMath, MMath, Dalla Lana School of Public Health, University of Toronto; L. Jans, MD, PhD, Department of Radiology and Medical Imaging, Ghent University Hospital; M.A. van Rossum, MD, PhD, Reade | Emma Children’s Hospital/Academic Medical Center; M. Tolend, BSc, Institute of Medical Sciences, Faculty of Medicine, University of Toronto, and Department of Diagnostic Imaging, The Hospital for Sick Children, and Department of Translational Medicine, SickKids Research Institute, Peter Gilgan Center for Research and Learning; M. Perez, MD, Department of Diagnostic Imaging, The Hospital for Sick Children; N. Tzaribachev, MD, Pediatric Rheumatology Research Institute; P. Sandhya, MD, Department of Clinical Immunology and Rheumatology, Christian Medical College; S. Tse, MD, FRCPC, Division of Rheumatology, The Hospital for Sick Children, University of Toronto; A. Simone, MD, PhD, State University of Campina-UNICAMP, Department of Internal Medicine, Cidade Universitaria; V.G. Swami, MD, BSc, Department of Medical Imaging, University of Toronto; Z. Touma, MD, PhD, FACP, FACR, Department of Rheumatology, Center for Prognosis Studies in Rheumatologic Diseases, Toronto Western Hospital; R. Lambert, MB BCh, FRCR, FRCPC, Department of Radiology and Diagnostic Imaging, University of Alberta; A.S. Doria, MD, PhD, MSc, Institute of Medical Sciences, Faculty of Medicine, University of Toronto, and Department of Diagnostic Imaging, The Hospital for Sick Children, and Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, and NIHR Leeds Biomedical Research Centre, Leeds Teaching Hospitals NHS Trust, and Department of Medical Imaging, University of Toronto. Address correspondence to Dr. A.S. Doria, Department of Diagnostic Imaging, The Hospital for Sick Children, 555 University Ave., Toronto, Ontario M5G 1X8, Canada. E-mail: andrea.doria@sickkids.ca Accepted for publication January 30, 2019.
Desiree van der Heijde
From the Institute of Medical Sciences, Faculty of Medicine, University of Toronto; Department of Diagnostic Imaging, The Hospital for Sick Children; Department of Translational Medicine, SickKids Research Institute, Peter Gilgan Center for Research and Learning; Dalla Lana School of Public Health, University of Toronto; Division of Rheumatology, The Hospital for Sick Children, University of Toronto; Department of Medical Imaging, University of Toronto; Department of Rheumatology, Center for Prognosis Studies in Rheumatologic Diseases, Toronto Western Hospital, Toronto, Ontario; Department of Rheumatology, University of Alberta; Department of Radiology and Diagnostic Imaging, University of Alberta; Division of Pediatric Rheumatology, Department of Pediatrics, University of Alberta, Edmonton, Alberta, Canada; Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds; UK National Institute for Health Research (NIHR) Leeds Biomedical Research Centre, Leeds Teaching Hospitals National Health Service (NHS) Trust, Leeds, UK; Department of Rheumatology, Leiden University Medical Center, Leiden; Reade | Emma Children’s Hospital/Academic Medical Center, Amsterdam, the Netherlands; University of Pennsylvania Perelman School of Medicine, Division of Rheumatology, Children’s Hospital of Philadelphia and Departments of Pediatric and Epidemiology, Philadelphia, Pennsylvania; Department of Radiology, Nemours Children’s Hospital and Health System, Orlando, Florida, USA; Department of Radiology, National Institute of Geriatrics, Rheumatology and Rehabilitation, Warsaw, Poland; Department of Radiology and Medical Imaging, Ghent University Hospital, Ghent, Belgium; Department of Radiology, Hospital Sant Joan de Deu, Barcelona, Spain; Department of Radiology, Rikshospitalet, Oslo University Hospital, Oslo, Norway; Pediatric Rheumatology Research Institute, Bad Bramstedt, Germany; Department of Clinical Immunology and Rheumatology, Christian Medical College, Vellore, India; State University of Campina-UNICAMP, Department of Internal Medicine, Cidade Universitaria, Sao Paulo, Brazil. P.G. Conaghan is funded in part by the NIHR Leeds Biomedical Research Centre. The views expressed are those of the authors and not necessarily those of the NHS, the NIHR, or the UK Department of Health. T.M. Otobo, MD, MSc, BMedSc, Institute of Medical Sciences, Faculty of Medicine, University of Toronto, and Department of Diagnostic Imaging, The Hospital for Sick Children, and Department of Translational Medicine, SickKids Research Institute, Peter Gilgan Center for Research and Learning; P.G. Conaghan, PhD, MB BS, Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, and NIHR Leeds Biomedical Research Centre, Leeds Teaching Hospitals NHS Trust; W.P. Maksymowych, PhD, MB BS, FRACP, FRCP, Department of Rheumatology, University of Alberta; D. van der Heijde, MD, PhD, Department of Rheumatology, Leiden University Medical Center; P. Weiss, MD, MSCE, University of Pennsylvania Perelman School of Medicine, Division of Rheumatology, Children’s Hospital of Philadelphia and Departments of Pediatric and Epidemiology; I. Sudol-Szopinska, MD, PhD, Department of Radiology, National Institute of Geriatrics, Rheumatology and Rehabilitation; N. Herregods, MD, PhD, Department of Radiology and Medical Imaging, Ghent University Hospital; J.L. Jaremko, MD, PhD, FRCPC, Department of Radiology and Diagnostic Imaging, University of Alberta; A.B. Meyers, MD, Department of Radiology, Nemours Children’s Hospital and Health System; D. Rumsey, MD, FRCPC, Division of Pediatric Rheumatology, Department of Pediatrics, University of Alberta; E.C. Inarejos, MD, Department of Radiology, Hospital Sant Joan de Deu; E. Kirkhus, MD, PhD, Department of Radiology, Rikshospitalet, Oslo University Hospital; J. Stimec, MD, FRCPC, Department of Diagnostic Imaging, The Hospital for Sick Children; J. Panwar, MD, Department of Diagnostic Imaging, The Hospital for Sick Children; K. Thorpe, BMath, MMath, Dalla Lana School of Public Health, University of Toronto; L. Jans, MD, PhD, Department of Radiology and Medical Imaging, Ghent University Hospital; M.A. van Rossum, MD, PhD, Reade | Emma Children’s Hospital/Academic Medical Center; M. Tolend, BSc, Institute of Medical Sciences, Faculty of Medicine, University of Toronto, and Department of Diagnostic Imaging, The Hospital for Sick Children, and Department of Translational Medicine, SickKids Research Institute, Peter Gilgan Center for Research and Learning; M. Perez, MD, Department of Diagnostic Imaging, The Hospital for Sick Children; N. Tzaribachev, MD, Pediatric Rheumatology Research Institute; P. Sandhya, MD, Department of Clinical Immunology and Rheumatology, Christian Medical College; S. Tse, MD, FRCPC, Division of Rheumatology, The Hospital for Sick Children, University of Toronto; A. Simone, MD, PhD, State University of Campina-UNICAMP, Department of Internal Medicine, Cidade Universitaria; V.G. Swami, MD, BSc, Department of Medical Imaging, University of Toronto; Z. Touma, MD, PhD, FACP, FACR, Department of Rheumatology, Center for Prognosis Studies in Rheumatologic Diseases, Toronto Western Hospital; R. Lambert, MB BCh, FRCR, FRCPC, Department of Radiology and Diagnostic Imaging, University of Alberta; A.S. Doria, MD, PhD, MSc, Institute of Medical Sciences, Faculty of Medicine, University of Toronto, and Department of Diagnostic Imaging, The Hospital for Sick Children, and Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, and NIHR Leeds Biomedical Research Centre, Leeds Teaching Hospitals NHS Trust, and Department of Medical Imaging, University of Toronto. Address correspondence to Dr. A.S. Doria, Department of Diagnostic Imaging, The Hospital for Sick Children, 555 University Ave., Toronto, Ontario M5G 1X8, Canada. E-mail: andrea.doria@sickkids.ca Accepted for publication January 30, 2019.
Pamela Weiss
From the Institute of Medical Sciences, Faculty of Medicine, University of Toronto; Department of Diagnostic Imaging, The Hospital for Sick Children; Department of Translational Medicine, SickKids Research Institute, Peter Gilgan Center for Research and Learning; Dalla Lana School of Public Health, University of Toronto; Division of Rheumatology, The Hospital for Sick Children, University of Toronto; Department of Medical Imaging, University of Toronto; Department of Rheumatology, Center for Prognosis Studies in Rheumatologic Diseases, Toronto Western Hospital, Toronto, Ontario; Department of Rheumatology, University of Alberta; Department of Radiology and Diagnostic Imaging, University of Alberta; Division of Pediatric Rheumatology, Department of Pediatrics, University of Alberta, Edmonton, Alberta, Canada; Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds; UK National Institute for Health Research (NIHR) Leeds Biomedical Research Centre, Leeds Teaching Hospitals National Health Service (NHS) Trust, Leeds, UK; Department of Rheumatology, Leiden University Medical Center, Leiden; Reade | Emma Children’s Hospital/Academic Medical Center, Amsterdam, the Netherlands; University of Pennsylvania Perelman School of Medicine, Division of Rheumatology, Children’s Hospital of Philadelphia and Departments of Pediatric and Epidemiology, Philadelphia, Pennsylvania; Department of Radiology, Nemours Children’s Hospital and Health System, Orlando, Florida, USA; Department of Radiology, National Institute of Geriatrics, Rheumatology and Rehabilitation, Warsaw, Poland; Department of Radiology and Medical Imaging, Ghent University Hospital, Ghent, Belgium; Department of Radiology, Hospital Sant Joan de Deu, Barcelona, Spain; Department of Radiology, Rikshospitalet, Oslo University Hospital, Oslo, Norway; Pediatric Rheumatology Research Institute, Bad Bramstedt, Germany; Department of Clinical Immunology and Rheumatology, Christian Medical College, Vellore, India; State University of Campina-UNICAMP, Department of Internal Medicine, Cidade Universitaria, Sao Paulo, Brazil. P.G. Conaghan is funded in part by the NIHR Leeds Biomedical Research Centre. The views expressed are those of the authors and not necessarily those of the NHS, the NIHR, or the UK Department of Health. T.M. Otobo, MD, MSc, BMedSc, Institute of Medical Sciences, Faculty of Medicine, University of Toronto, and Department of Diagnostic Imaging, The Hospital for Sick Children, and Department of Translational Medicine, SickKids Research Institute, Peter Gilgan Center for Research and Learning; P.G. Conaghan, PhD, MB BS, Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, and NIHR Leeds Biomedical Research Centre, Leeds Teaching Hospitals NHS Trust; W.P. Maksymowych, PhD, MB BS, FRACP, FRCP, Department of Rheumatology, University of Alberta; D. van der Heijde, MD, PhD, Department of Rheumatology, Leiden University Medical Center; P. Weiss, MD, MSCE, University of Pennsylvania Perelman School of Medicine, Division of Rheumatology, Children’s Hospital of Philadelphia and Departments of Pediatric and Epidemiology; I. Sudol-Szopinska, MD, PhD, Department of Radiology, National Institute of Geriatrics, Rheumatology and Rehabilitation; N. Herregods, MD, PhD, Department of Radiology and Medical Imaging, Ghent University Hospital; J.L. Jaremko, MD, PhD, FRCPC, Department of Radiology and Diagnostic Imaging, University of Alberta; A.B. Meyers, MD, Department of Radiology, Nemours Children’s Hospital and Health System; D. Rumsey, MD, FRCPC, Division of Pediatric Rheumatology, Department of Pediatrics, University of Alberta; E.C. Inarejos, MD, Department of Radiology, Hospital Sant Joan de Deu; E. Kirkhus, MD, PhD, Department of Radiology, Rikshospitalet, Oslo University Hospital; J. Stimec, MD, FRCPC, Department of Diagnostic Imaging, The Hospital for Sick Children; J. Panwar, MD, Department of Diagnostic Imaging, The Hospital for Sick Children; K. Thorpe, BMath, MMath, Dalla Lana School of Public Health, University of Toronto; L. Jans, MD, PhD, Department of Radiology and Medical Imaging, Ghent University Hospital; M.A. van Rossum, MD, PhD, Reade | Emma Children’s Hospital/Academic Medical Center; M. Tolend, BSc, Institute of Medical Sciences, Faculty of Medicine, University of Toronto, and Department of Diagnostic Imaging, The Hospital for Sick Children, and Department of Translational Medicine, SickKids Research Institute, Peter Gilgan Center for Research and Learning; M. Perez, MD, Department of Diagnostic Imaging, The Hospital for Sick Children; N. Tzaribachev, MD, Pediatric Rheumatology Research Institute; P. Sandhya, MD, Department of Clinical Immunology and Rheumatology, Christian Medical College; S. Tse, MD, FRCPC, Division of Rheumatology, The Hospital for Sick Children, University of Toronto; A. Simone, MD, PhD, State University of Campina-UNICAMP, Department of Internal Medicine, Cidade Universitaria; V.G. Swami, MD, BSc, Department of Medical Imaging, University of Toronto; Z. Touma, MD, PhD, FACP, FACR, Department of Rheumatology, Center for Prognosis Studies in Rheumatologic Diseases, Toronto Western Hospital; R. Lambert, MB BCh, FRCR, FRCPC, Department of Radiology and Diagnostic Imaging, University of Alberta; A.S. Doria, MD, PhD, MSc, Institute of Medical Sciences, Faculty of Medicine, University of Toronto, and Department of Diagnostic Imaging, The Hospital for Sick Children, and Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, and NIHR Leeds Biomedical Research Centre, Leeds Teaching Hospitals NHS Trust, and Department of Medical Imaging, University of Toronto. Address correspondence to Dr. A.S. Doria, Department of Diagnostic Imaging, The Hospital for Sick Children, 555 University Ave., Toronto, Ontario M5G 1X8, Canada. E-mail: andrea.doria@sickkids.ca Accepted for publication January 30, 2019.
Iwona Sudol-Szopinska
From the Institute of Medical Sciences, Faculty of Medicine, University of Toronto; Department of Diagnostic Imaging, The Hospital for Sick Children; Department of Translational Medicine, SickKids Research Institute, Peter Gilgan Center for Research and Learning; Dalla Lana School of Public Health, University of Toronto; Division of Rheumatology, The Hospital for Sick Children, University of Toronto; Department of Medical Imaging, University of Toronto; Department of Rheumatology, Center for Prognosis Studies in Rheumatologic Diseases, Toronto Western Hospital, Toronto, Ontario; Department of Rheumatology, University of Alberta; Department of Radiology and Diagnostic Imaging, University of Alberta; Division of Pediatric Rheumatology, Department of Pediatrics, University of Alberta, Edmonton, Alberta, Canada; Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds; UK National Institute for Health Research (NIHR) Leeds Biomedical Research Centre, Leeds Teaching Hospitals National Health Service (NHS) Trust, Leeds, UK; Department of Rheumatology, Leiden University Medical Center, Leiden; Reade | Emma Children’s Hospital/Academic Medical Center, Amsterdam, the Netherlands; University of Pennsylvania Perelman School of Medicine, Division of Rheumatology, Children’s Hospital of Philadelphia and Departments of Pediatric and Epidemiology, Philadelphia, Pennsylvania; Department of Radiology, Nemours Children’s Hospital and Health System, Orlando, Florida, USA; Department of Radiology, National Institute of Geriatrics, Rheumatology and Rehabilitation, Warsaw, Poland; Department of Radiology and Medical Imaging, Ghent University Hospital, Ghent, Belgium; Department of Radiology, Hospital Sant Joan de Deu, Barcelona, Spain; Department of Radiology, Rikshospitalet, Oslo University Hospital, Oslo, Norway; Pediatric Rheumatology Research Institute, Bad Bramstedt, Germany; Department of Clinical Immunology and Rheumatology, Christian Medical College, Vellore, India; State University of Campina-UNICAMP, Department of Internal Medicine, Cidade Universitaria, Sao Paulo, Brazil. P.G. Conaghan is funded in part by the NIHR Leeds Biomedical Research Centre. The views expressed are those of the authors and not necessarily those of the NHS, the NIHR, or the UK Department of Health. T.M. Otobo, MD, MSc, BMedSc, Institute of Medical Sciences, Faculty of Medicine, University of Toronto, and Department of Diagnostic Imaging, The Hospital for Sick Children, and Department of Translational Medicine, SickKids Research Institute, Peter Gilgan Center for Research and Learning; P.G. Conaghan, PhD, MB BS, Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, and NIHR Leeds Biomedical Research Centre, Leeds Teaching Hospitals NHS Trust; W.P. Maksymowych, PhD, MB BS, FRACP, FRCP, Department of Rheumatology, University of Alberta; D. van der Heijde, MD, PhD, Department of Rheumatology, Leiden University Medical Center; P. Weiss, MD, MSCE, University of Pennsylvania Perelman School of Medicine, Division of Rheumatology, Children’s Hospital of Philadelphia and Departments of Pediatric and Epidemiology; I. Sudol-Szopinska, MD, PhD, Department of Radiology, National Institute of Geriatrics, Rheumatology and Rehabilitation; N. Herregods, MD, PhD, Department of Radiology and Medical Imaging, Ghent University Hospital; J.L. Jaremko, MD, PhD, FRCPC, Department of Radiology and Diagnostic Imaging, University of Alberta; A.B. Meyers, MD, Department of Radiology, Nemours Children’s Hospital and Health System; D. Rumsey, MD, FRCPC, Division of Pediatric Rheumatology, Department of Pediatrics, University of Alberta; E.C. Inarejos, MD, Department of Radiology, Hospital Sant Joan de Deu; E. Kirkhus, MD, PhD, Department of Radiology, Rikshospitalet, Oslo University Hospital; J. Stimec, MD, FRCPC, Department of Diagnostic Imaging, The Hospital for Sick Children; J. Panwar, MD, Department of Diagnostic Imaging, The Hospital for Sick Children; K. Thorpe, BMath, MMath, Dalla Lana School of Public Health, University of Toronto; L. Jans, MD, PhD, Department of Radiology and Medical Imaging, Ghent University Hospital; M.A. van Rossum, MD, PhD, Reade | Emma Children’s Hospital/Academic Medical Center; M. Tolend, BSc, Institute of Medical Sciences, Faculty of Medicine, University of Toronto, and Department of Diagnostic Imaging, The Hospital for Sick Children, and Department of Translational Medicine, SickKids Research Institute, Peter Gilgan Center for Research and Learning; M. Perez, MD, Department of Diagnostic Imaging, The Hospital for Sick Children; N. Tzaribachev, MD, Pediatric Rheumatology Research Institute; P. Sandhya, MD, Department of Clinical Immunology and Rheumatology, Christian Medical College; S. Tse, MD, FRCPC, Division of Rheumatology, The Hospital for Sick Children, University of Toronto; A. Simone, MD, PhD, State University of Campina-UNICAMP, Department of Internal Medicine, Cidade Universitaria; V.G. Swami, MD, BSc, Department of Medical Imaging, University of Toronto; Z. Touma, MD, PhD, FACP, FACR, Department of Rheumatology, Center for Prognosis Studies in Rheumatologic Diseases, Toronto Western Hospital; R. Lambert, MB BCh, FRCR, FRCPC, Department of Radiology and Diagnostic Imaging, University of Alberta; A.S. Doria, MD, PhD, MSc, Institute of Medical Sciences, Faculty of Medicine, University of Toronto, and Department of Diagnostic Imaging, The Hospital for Sick Children, and Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, and NIHR Leeds Biomedical Research Centre, Leeds Teaching Hospitals NHS Trust, and Department of Medical Imaging, University of Toronto. Address correspondence to Dr. A.S. Doria, Department of Diagnostic Imaging, The Hospital for Sick Children, 555 University Ave., Toronto, Ontario M5G 1X8, Canada. E-mail: andrea.doria@sickkids.ca Accepted for publication January 30, 2019.
Nele Herregods
From the Institute of Medical Sciences, Faculty of Medicine, University of Toronto; Department of Diagnostic Imaging, The Hospital for Sick Children; Department of Translational Medicine, SickKids Research Institute, Peter Gilgan Center for Research and Learning; Dalla Lana School of Public Health, University of Toronto; Division of Rheumatology, The Hospital for Sick Children, University of Toronto; Department of Medical Imaging, University of Toronto; Department of Rheumatology, Center for Prognosis Studies in Rheumatologic Diseases, Toronto Western Hospital, Toronto, Ontario; Department of Rheumatology, University of Alberta; Department of Radiology and Diagnostic Imaging, University of Alberta; Division of Pediatric Rheumatology, Department of Pediatrics, University of Alberta, Edmonton, Alberta, Canada; Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds; UK National Institute for Health Research (NIHR) Leeds Biomedical Research Centre, Leeds Teaching Hospitals National Health Service (NHS) Trust, Leeds, UK; Department of Rheumatology, Leiden University Medical Center, Leiden; Reade | Emma Children’s Hospital/Academic Medical Center, Amsterdam, the Netherlands; University of Pennsylvania Perelman School of Medicine, Division of Rheumatology, Children’s Hospital of Philadelphia and Departments of Pediatric and Epidemiology, Philadelphia, Pennsylvania; Department of Radiology, Nemours Children’s Hospital and Health System, Orlando, Florida, USA; Department of Radiology, National Institute of Geriatrics, Rheumatology and Rehabilitation, Warsaw, Poland; Department of Radiology and Medical Imaging, Ghent University Hospital, Ghent, Belgium; Department of Radiology, Hospital Sant Joan de Deu, Barcelona, Spain; Department of Radiology, Rikshospitalet, Oslo University Hospital, Oslo, Norway; Pediatric Rheumatology Research Institute, Bad Bramstedt, Germany; Department of Clinical Immunology and Rheumatology, Christian Medical College, Vellore, India; State University of Campina-UNICAMP, Department of Internal Medicine, Cidade Universitaria, Sao Paulo, Brazil. P.G. Conaghan is funded in part by the NIHR Leeds Biomedical Research Centre. The views expressed are those of the authors and not necessarily those of the NHS, the NIHR, or the UK Department of Health. T.M. Otobo, MD, MSc, BMedSc, Institute of Medical Sciences, Faculty of Medicine, University of Toronto, and Department of Diagnostic Imaging, The Hospital for Sick Children, and Department of Translational Medicine, SickKids Research Institute, Peter Gilgan Center for Research and Learning; P.G. Conaghan, PhD, MB BS, Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, and NIHR Leeds Biomedical Research Centre, Leeds Teaching Hospitals NHS Trust; W.P. Maksymowych, PhD, MB BS, FRACP, FRCP, Department of Rheumatology, University of Alberta; D. van der Heijde, MD, PhD, Department of Rheumatology, Leiden University Medical Center; P. Weiss, MD, MSCE, University of Pennsylvania Perelman School of Medicine, Division of Rheumatology, Children’s Hospital of Philadelphia and Departments of Pediatric and Epidemiology; I. Sudol-Szopinska, MD, PhD, Department of Radiology, National Institute of Geriatrics, Rheumatology and Rehabilitation; N. Herregods, MD, PhD, Department of Radiology and Medical Imaging, Ghent University Hospital; J.L. Jaremko, MD, PhD, FRCPC, Department of Radiology and Diagnostic Imaging, University of Alberta; A.B. Meyers, MD, Department of Radiology, Nemours Children’s Hospital and Health System; D. Rumsey, MD, FRCPC, Division of Pediatric Rheumatology, Department of Pediatrics, University of Alberta; E.C. Inarejos, MD, Department of Radiology, Hospital Sant Joan de Deu; E. Kirkhus, MD, PhD, Department of Radiology, Rikshospitalet, Oslo University Hospital; J. Stimec, MD, FRCPC, Department of Diagnostic Imaging, The Hospital for Sick Children; J. Panwar, MD, Department of Diagnostic Imaging, The Hospital for Sick Children; K. Thorpe, BMath, MMath, Dalla Lana School of Public Health, University of Toronto; L. Jans, MD, PhD, Department of Radiology and Medical Imaging, Ghent University Hospital; M.A. van Rossum, MD, PhD, Reade | Emma Children’s Hospital/Academic Medical Center; M. Tolend, BSc, Institute of Medical Sciences, Faculty of Medicine, University of Toronto, and Department of Diagnostic Imaging, The Hospital for Sick Children, and Department of Translational Medicine, SickKids Research Institute, Peter Gilgan Center for Research and Learning; M. Perez, MD, Department of Diagnostic Imaging, The Hospital for Sick Children; N. Tzaribachev, MD, Pediatric Rheumatology Research Institute; P. Sandhya, MD, Department of Clinical Immunology and Rheumatology, Christian Medical College; S. Tse, MD, FRCPC, Division of Rheumatology, The Hospital for Sick Children, University of Toronto; A. Simone, MD, PhD, State University of Campina-UNICAMP, Department of Internal Medicine, Cidade Universitaria; V.G. Swami, MD, BSc, Department of Medical Imaging, University of Toronto; Z. Touma, MD, PhD, FACP, FACR, Department of Rheumatology, Center for Prognosis Studies in Rheumatologic Diseases, Toronto Western Hospital; R. Lambert, MB BCh, FRCR, FRCPC, Department of Radiology and Diagnostic Imaging, University of Alberta; A.S. Doria, MD, PhD, MSc, Institute of Medical Sciences, Faculty of Medicine, University of Toronto, and Department of Diagnostic Imaging, The Hospital for Sick Children, and Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, and NIHR Leeds Biomedical Research Centre, Leeds Teaching Hospitals NHS Trust, and Department of Medical Imaging, University of Toronto. Address correspondence to Dr. A.S. Doria, Department of Diagnostic Imaging, The Hospital for Sick Children, 555 University Ave., Toronto, Ontario M5G 1X8, Canada. E-mail: andrea.doria@sickkids.ca Accepted for publication January 30, 2019.
Jacob L. Jaremko
From the Institute of Medical Sciences, Faculty of Medicine, University of Toronto; Department of Diagnostic Imaging, The Hospital for Sick Children; Department of Translational Medicine, SickKids Research Institute, Peter Gilgan Center for Research and Learning; Dalla Lana School of Public Health, University of Toronto; Division of Rheumatology, The Hospital for Sick Children, University of Toronto; Department of Medical Imaging, University of Toronto; Department of Rheumatology, Center for Prognosis Studies in Rheumatologic Diseases, Toronto Western Hospital, Toronto, Ontario; Department of Rheumatology, University of Alberta; Department of Radiology and Diagnostic Imaging, University of Alberta; Division of Pediatric Rheumatology, Department of Pediatrics, University of Alberta, Edmonton, Alberta, Canada; Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds; UK National Institute for Health Research (NIHR) Leeds Biomedical Research Centre, Leeds Teaching Hospitals National Health Service (NHS) Trust, Leeds, UK; Department of Rheumatology, Leiden University Medical Center, Leiden; Reade | Emma Children’s Hospital/Academic Medical Center, Amsterdam, the Netherlands; University of Pennsylvania Perelman School of Medicine, Division of Rheumatology, Children’s Hospital of Philadelphia and Departments of Pediatric and Epidemiology, Philadelphia, Pennsylvania; Department of Radiology, Nemours Children’s Hospital and Health System, Orlando, Florida, USA; Department of Radiology, National Institute of Geriatrics, Rheumatology and Rehabilitation, Warsaw, Poland; Department of Radiology and Medical Imaging, Ghent University Hospital, Ghent, Belgium; Department of Radiology, Hospital Sant Joan de Deu, Barcelona, Spain; Department of Radiology, Rikshospitalet, Oslo University Hospital, Oslo, Norway; Pediatric Rheumatology Research Institute, Bad Bramstedt, Germany; Department of Clinical Immunology and Rheumatology, Christian Medical College, Vellore, India; State University of Campina-UNICAMP, Department of Internal Medicine, Cidade Universitaria, Sao Paulo, Brazil. P.G. Conaghan is funded in part by the NIHR Leeds Biomedical Research Centre. The views expressed are those of the authors and not necessarily those of the NHS, the NIHR, or the UK Department of Health. T.M. Otobo, MD, MSc, BMedSc, Institute of Medical Sciences, Faculty of Medicine, University of Toronto, and Department of Diagnostic Imaging, The Hospital for Sick Children, and Department of Translational Medicine, SickKids Research Institute, Peter Gilgan Center for Research and Learning; P.G. Conaghan, PhD, MB BS, Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, and NIHR Leeds Biomedical Research Centre, Leeds Teaching Hospitals NHS Trust; W.P. Maksymowych, PhD, MB BS, FRACP, FRCP, Department of Rheumatology, University of Alberta; D. van der Heijde, MD, PhD, Department of Rheumatology, Leiden University Medical Center; P. Weiss, MD, MSCE, University of Pennsylvania Perelman School of Medicine, Division of Rheumatology, Children’s Hospital of Philadelphia and Departments of Pediatric and Epidemiology; I. Sudol-Szopinska, MD, PhD, Department of Radiology, National Institute of Geriatrics, Rheumatology and Rehabilitation; N. Herregods, MD, PhD, Department of Radiology and Medical Imaging, Ghent University Hospital; J.L. Jaremko, MD, PhD, FRCPC, Department of Radiology and Diagnostic Imaging, University of Alberta; A.B. Meyers, MD, Department of Radiology, Nemours Children’s Hospital and Health System; D. Rumsey, MD, FRCPC, Division of Pediatric Rheumatology, Department of Pediatrics, University of Alberta; E.C. Inarejos, MD, Department of Radiology, Hospital Sant Joan de Deu; E. Kirkhus, MD, PhD, Department of Radiology, Rikshospitalet, Oslo University Hospital; J. Stimec, MD, FRCPC, Department of Diagnostic Imaging, The Hospital for Sick Children; J. Panwar, MD, Department of Diagnostic Imaging, The Hospital for Sick Children; K. Thorpe, BMath, MMath, Dalla Lana School of Public Health, University of Toronto; L. Jans, MD, PhD, Department of Radiology and Medical Imaging, Ghent University Hospital; M.A. van Rossum, MD, PhD, Reade | Emma Children’s Hospital/Academic Medical Center; M. Tolend, BSc, Institute of Medical Sciences, Faculty of Medicine, University of Toronto, and Department of Diagnostic Imaging, The Hospital for Sick Children, and Department of Translational Medicine, SickKids Research Institute, Peter Gilgan Center for Research and Learning; M. Perez, MD, Department of Diagnostic Imaging, The Hospital for Sick Children; N. Tzaribachev, MD, Pediatric Rheumatology Research Institute; P. Sandhya, MD, Department of Clinical Immunology and Rheumatology, Christian Medical College; S. Tse, MD, FRCPC, Division of Rheumatology, The Hospital for Sick Children, University of Toronto; A. Simone, MD, PhD, State University of Campina-UNICAMP, Department of Internal Medicine, Cidade Universitaria; V.G. Swami, MD, BSc, Department of Medical Imaging, University of Toronto; Z. Touma, MD, PhD, FACP, FACR, Department of Rheumatology, Center for Prognosis Studies in Rheumatologic Diseases, Toronto Western Hospital; R. Lambert, MB BCh, FRCR, FRCPC, Department of Radiology and Diagnostic Imaging, University of Alberta; A.S. Doria, MD, PhD, MSc, Institute of Medical Sciences, Faculty of Medicine, University of Toronto, and Department of Diagnostic Imaging, The Hospital for Sick Children, and Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, and NIHR Leeds Biomedical Research Centre, Leeds Teaching Hospitals NHS Trust, and Department of Medical Imaging, University of Toronto. Address correspondence to Dr. A.S. Doria, Department of Diagnostic Imaging, The Hospital for Sick Children, 555 University Ave., Toronto, Ontario M5G 1X8, Canada. E-mail: andrea.doria@sickkids.ca Accepted for publication January 30, 2019.
Arthur B. Meyers
From the Institute of Medical Sciences, Faculty of Medicine, University of Toronto; Department of Diagnostic Imaging, The Hospital for Sick Children; Department of Translational Medicine, SickKids Research Institute, Peter Gilgan Center for Research and Learning; Dalla Lana School of Public Health, University of Toronto; Division of Rheumatology, The Hospital for Sick Children, University of Toronto; Department of Medical Imaging, University of Toronto; Department of Rheumatology, Center for Prognosis Studies in Rheumatologic Diseases, Toronto Western Hospital, Toronto, Ontario; Department of Rheumatology, University of Alberta; Department of Radiology and Diagnostic Imaging, University of Alberta; Division of Pediatric Rheumatology, Department of Pediatrics, University of Alberta, Edmonton, Alberta, Canada; Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds; UK National Institute for Health Research (NIHR) Leeds Biomedical Research Centre, Leeds Teaching Hospitals National Health Service (NHS) Trust, Leeds, UK; Department of Rheumatology, Leiden University Medical Center, Leiden; Reade | Emma Children’s Hospital/Academic Medical Center, Amsterdam, the Netherlands; University of Pennsylvania Perelman School of Medicine, Division of Rheumatology, Children’s Hospital of Philadelphia and Departments of Pediatric and Epidemiology, Philadelphia, Pennsylvania; Department of Radiology, Nemours Children’s Hospital and Health System, Orlando, Florida, USA; Department of Radiology, National Institute of Geriatrics, Rheumatology and Rehabilitation, Warsaw, Poland; Department of Radiology and Medical Imaging, Ghent University Hospital, Ghent, Belgium; Department of Radiology, Hospital Sant Joan de Deu, Barcelona, Spain; Department of Radiology, Rikshospitalet, Oslo University Hospital, Oslo, Norway; Pediatric Rheumatology Research Institute, Bad Bramstedt, Germany; Department of Clinical Immunology and Rheumatology, Christian Medical College, Vellore, India; State University of Campina-UNICAMP, Department of Internal Medicine, Cidade Universitaria, Sao Paulo, Brazil. P.G. Conaghan is funded in part by the NIHR Leeds Biomedical Research Centre. The views expressed are those of the authors and not necessarily those of the NHS, the NIHR, or the UK Department of Health. T.M. Otobo, MD, MSc, BMedSc, Institute of Medical Sciences, Faculty of Medicine, University of Toronto, and Department of Diagnostic Imaging, The Hospital for Sick Children, and Department of Translational Medicine, SickKids Research Institute, Peter Gilgan Center for Research and Learning; P.G. Conaghan, PhD, MB BS, Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, and NIHR Leeds Biomedical Research Centre, Leeds Teaching Hospitals NHS Trust; W.P. Maksymowych, PhD, MB BS, FRACP, FRCP, Department of Rheumatology, University of Alberta; D. van der Heijde, MD, PhD, Department of Rheumatology, Leiden University Medical Center; P. Weiss, MD, MSCE, University of Pennsylvania Perelman School of Medicine, Division of Rheumatology, Children’s Hospital of Philadelphia and Departments of Pediatric and Epidemiology; I. Sudol-Szopinska, MD, PhD, Department of Radiology, National Institute of Geriatrics, Rheumatology and Rehabilitation; N. Herregods, MD, PhD, Department of Radiology and Medical Imaging, Ghent University Hospital; J.L. Jaremko, MD, PhD, FRCPC, Department of Radiology and Diagnostic Imaging, University of Alberta; A.B. Meyers, MD, Department of Radiology, Nemours Children’s Hospital and Health System; D. Rumsey, MD, FRCPC, Division of Pediatric Rheumatology, Department of Pediatrics, University of Alberta; E.C. Inarejos, MD, Department of Radiology, Hospital Sant Joan de Deu; E. Kirkhus, MD, PhD, Department of Radiology, Rikshospitalet, Oslo University Hospital; J. Stimec, MD, FRCPC, Department of Diagnostic Imaging, The Hospital for Sick Children; J. Panwar, MD, Department of Diagnostic Imaging, The Hospital for Sick Children; K. Thorpe, BMath, MMath, Dalla Lana School of Public Health, University of Toronto; L. Jans, MD, PhD, Department of Radiology and Medical Imaging, Ghent University Hospital; M.A. van Rossum, MD, PhD, Reade | Emma Children’s Hospital/Academic Medical Center; M. Tolend, BSc, Institute of Medical Sciences, Faculty of Medicine, University of Toronto, and Department of Diagnostic Imaging, The Hospital for Sick Children, and Department of Translational Medicine, SickKids Research Institute, Peter Gilgan Center for Research and Learning; M. Perez, MD, Department of Diagnostic Imaging, The Hospital for Sick Children; N. Tzaribachev, MD, Pediatric Rheumatology Research Institute; P. Sandhya, MD, Department of Clinical Immunology and Rheumatology, Christian Medical College; S. Tse, MD, FRCPC, Division of Rheumatology, The Hospital for Sick Children, University of Toronto; A. Simone, MD, PhD, State University of Campina-UNICAMP, Department of Internal Medicine, Cidade Universitaria; V.G. Swami, MD, BSc, Department of Medical Imaging, University of Toronto; Z. Touma, MD, PhD, FACP, FACR, Department of Rheumatology, Center for Prognosis Studies in Rheumatologic Diseases, Toronto Western Hospital; R. Lambert, MB BCh, FRCR, FRCPC, Department of Radiology and Diagnostic Imaging, University of Alberta; A.S. Doria, MD, PhD, MSc, Institute of Medical Sciences, Faculty of Medicine, University of Toronto, and Department of Diagnostic Imaging, The Hospital for Sick Children, and Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, and NIHR Leeds Biomedical Research Centre, Leeds Teaching Hospitals NHS Trust, and Department of Medical Imaging, University of Toronto. Address correspondence to Dr. A.S. Doria, Department of Diagnostic Imaging, The Hospital for Sick Children, 555 University Ave., Toronto, Ontario M5G 1X8, Canada. E-mail: andrea.doria@sickkids.ca Accepted for publication January 30, 2019.
Dax Rumsey
From the Institute of Medical Sciences, Faculty of Medicine, University of Toronto; Department of Diagnostic Imaging, The Hospital for Sick Children; Department of Translational Medicine, SickKids Research Institute, Peter Gilgan Center for Research and Learning; Dalla Lana School of Public Health, University of Toronto; Division of Rheumatology, The Hospital for Sick Children, University of Toronto; Department of Medical Imaging, University of Toronto; Department of Rheumatology, Center for Prognosis Studies in Rheumatologic Diseases, Toronto Western Hospital, Toronto, Ontario; Department of Rheumatology, University of Alberta; Department of Radiology and Diagnostic Imaging, University of Alberta; Division of Pediatric Rheumatology, Department of Pediatrics, University of Alberta, Edmonton, Alberta, Canada; Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds; UK National Institute for Health Research (NIHR) Leeds Biomedical Research Centre, Leeds Teaching Hospitals National Health Service (NHS) Trust, Leeds, UK; Department of Rheumatology, Leiden University Medical Center, Leiden; Reade | Emma Children’s Hospital/Academic Medical Center, Amsterdam, the Netherlands; University of Pennsylvania Perelman School of Medicine, Division of Rheumatology, Children’s Hospital of Philadelphia and Departments of Pediatric and Epidemiology, Philadelphia, Pennsylvania; Department of Radiology, Nemours Children’s Hospital and Health System, Orlando, Florida, USA; Department of Radiology, National Institute of Geriatrics, Rheumatology and Rehabilitation, Warsaw, Poland; Department of Radiology and Medical Imaging, Ghent University Hospital, Ghent, Belgium; Department of Radiology, Hospital Sant Joan de Deu, Barcelona, Spain; Department of Radiology, Rikshospitalet, Oslo University Hospital, Oslo, Norway; Pediatric Rheumatology Research Institute, Bad Bramstedt, Germany; Department of Clinical Immunology and Rheumatology, Christian Medical College, Vellore, India; State University of Campina-UNICAMP, Department of Internal Medicine, Cidade Universitaria, Sao Paulo, Brazil. P.G. Conaghan is funded in part by the NIHR Leeds Biomedical Research Centre. The views expressed are those of the authors and not necessarily those of the NHS, the NIHR, or the UK Department of Health. T.M. Otobo, MD, MSc, BMedSc, Institute of Medical Sciences, Faculty of Medicine, University of Toronto, and Department of Diagnostic Imaging, The Hospital for Sick Children, and Department of Translational Medicine, SickKids Research Institute, Peter Gilgan Center for Research and Learning; P.G. Conaghan, PhD, MB BS, Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, and NIHR Leeds Biomedical Research Centre, Leeds Teaching Hospitals NHS Trust; W.P. Maksymowych, PhD, MB BS, FRACP, FRCP, Department of Rheumatology, University of Alberta; D. van der Heijde, MD, PhD, Department of Rheumatology, Leiden University Medical Center; P. Weiss, MD, MSCE, University of Pennsylvania Perelman School of Medicine, Division of Rheumatology, Children’s Hospital of Philadelphia and Departments of Pediatric and Epidemiology; I. Sudol-Szopinska, MD, PhD, Department of Radiology, National Institute of Geriatrics, Rheumatology and Rehabilitation; N. Herregods, MD, PhD, Department of Radiology and Medical Imaging, Ghent University Hospital; J.L. Jaremko, MD, PhD, FRCPC, Department of Radiology and Diagnostic Imaging, University of Alberta; A.B. Meyers, MD, Department of Radiology, Nemours Children’s Hospital and Health System; D. Rumsey, MD, FRCPC, Division of Pediatric Rheumatology, Department of Pediatrics, University of Alberta; E.C. Inarejos, MD, Department of Radiology, Hospital Sant Joan de Deu; E. Kirkhus, MD, PhD, Department of Radiology, Rikshospitalet, Oslo University Hospital; J. Stimec, MD, FRCPC, Department of Diagnostic Imaging, The Hospital for Sick Children; J. Panwar, MD, Department of Diagnostic Imaging, The Hospital for Sick Children; K. Thorpe, BMath, MMath, Dalla Lana School of Public Health, University of Toronto; L. Jans, MD, PhD, Department of Radiology and Medical Imaging, Ghent University Hospital; M.A. van Rossum, MD, PhD, Reade | Emma Children’s Hospital/Academic Medical Center; M. Tolend, BSc, Institute of Medical Sciences, Faculty of Medicine, University of Toronto, and Department of Diagnostic Imaging, The Hospital for Sick Children, and Department of Translational Medicine, SickKids Research Institute, Peter Gilgan Center for Research and Learning; M. Perez, MD, Department of Diagnostic Imaging, The Hospital for Sick Children; N. Tzaribachev, MD, Pediatric Rheumatology Research Institute; P. Sandhya, MD, Department of Clinical Immunology and Rheumatology, Christian Medical College; S. Tse, MD, FRCPC, Division of Rheumatology, The Hospital for Sick Children, University of Toronto; A. Simone, MD, PhD, State University of Campina-UNICAMP, Department of Internal Medicine, Cidade Universitaria; V.G. Swami, MD, BSc, Department of Medical Imaging, University of Toronto; Z. Touma, MD, PhD, FACP, FACR, Department of Rheumatology, Center for Prognosis Studies in Rheumatologic Diseases, Toronto Western Hospital; R. Lambert, MB BCh, FRCR, FRCPC, Department of Radiology and Diagnostic Imaging, University of Alberta; A.S. Doria, MD, PhD, MSc, Institute of Medical Sciences, Faculty of Medicine, University of Toronto, and Department of Diagnostic Imaging, The Hospital for Sick Children, and Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, and NIHR Leeds Biomedical Research Centre, Leeds Teaching Hospitals NHS Trust, and Department of Medical Imaging, University of Toronto. Address correspondence to Dr. A.S. Doria, Department of Diagnostic Imaging, The Hospital for Sick Children, 555 University Ave., Toronto, Ontario M5G 1X8, Canada. E-mail: andrea.doria@sickkids.ca Accepted for publication January 30, 2019.
Emilio C. Inarejos
From the Institute of Medical Sciences, Faculty of Medicine, University of Toronto; Department of Diagnostic Imaging, The Hospital for Sick Children; Department of Translational Medicine, SickKids Research Institute, Peter Gilgan Center for Research and Learning; Dalla Lana School of Public Health, University of Toronto; Division of Rheumatology, The Hospital for Sick Children, University of Toronto; Department of Medical Imaging, University of Toronto; Department of Rheumatology, Center for Prognosis Studies in Rheumatologic Diseases, Toronto Western Hospital, Toronto, Ontario; Department of Rheumatology, University of Alberta; Department of Radiology and Diagnostic Imaging, University of Alberta; Division of Pediatric Rheumatology, Department of Pediatrics, University of Alberta, Edmonton, Alberta, Canada; Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds; UK National Institute for Health Research (NIHR) Leeds Biomedical Research Centre, Leeds Teaching Hospitals National Health Service (NHS) Trust, Leeds, UK; Department of Rheumatology, Leiden University Medical Center, Leiden; Reade | Emma Children’s Hospital/Academic Medical Center, Amsterdam, the Netherlands; University of Pennsylvania Perelman School of Medicine, Division of Rheumatology, Children’s Hospital of Philadelphia and Departments of Pediatric and Epidemiology, Philadelphia, Pennsylvania; Department of Radiology, Nemours Children’s Hospital and Health System, Orlando, Florida, USA; Department of Radiology, National Institute of Geriatrics, Rheumatology and Rehabilitation, Warsaw, Poland; Department of Radiology and Medical Imaging, Ghent University Hospital, Ghent, Belgium; Department of Radiology, Hospital Sant Joan de Deu, Barcelona, Spain; Department of Radiology, Rikshospitalet, Oslo University Hospital, Oslo, Norway; Pediatric Rheumatology Research Institute, Bad Bramstedt, Germany; Department of Clinical Immunology and Rheumatology, Christian Medical College, Vellore, India; State University of Campina-UNICAMP, Department of Internal Medicine, Cidade Universitaria, Sao Paulo, Brazil. P.G. Conaghan is funded in part by the NIHR Leeds Biomedical Research Centre. The views expressed are those of the authors and not necessarily those of the NHS, the NIHR, or the UK Department of Health. T.M. Otobo, MD, MSc, BMedSc, Institute of Medical Sciences, Faculty of Medicine, University of Toronto, and Department of Diagnostic Imaging, The Hospital for Sick Children, and Department of Translational Medicine, SickKids Research Institute, Peter Gilgan Center for Research and Learning; P.G. Conaghan, PhD, MB BS, Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, and NIHR Leeds Biomedical Research Centre, Leeds Teaching Hospitals NHS Trust; W.P. Maksymowych, PhD, MB BS, FRACP, FRCP, Department of Rheumatology, University of Alberta; D. van der Heijde, MD, PhD, Department of Rheumatology, Leiden University Medical Center; P. Weiss, MD, MSCE, University of Pennsylvania Perelman School of Medicine, Division of Rheumatology, Children’s Hospital of Philadelphia and Departments of Pediatric and Epidemiology; I. Sudol-Szopinska, MD, PhD, Department of Radiology, National Institute of Geriatrics, Rheumatology and Rehabilitation; N. Herregods, MD, PhD, Department of Radiology and Medical Imaging, Ghent University Hospital; J.L. Jaremko, MD, PhD, FRCPC, Department of Radiology and Diagnostic Imaging, University of Alberta; A.B. Meyers, MD, Department of Radiology, Nemours Children’s Hospital and Health System; D. Rumsey, MD, FRCPC, Division of Pediatric Rheumatology, Department of Pediatrics, University of Alberta; E.C. Inarejos, MD, Department of Radiology, Hospital Sant Joan de Deu; E. Kirkhus, MD, PhD, Department of Radiology, Rikshospitalet, Oslo University Hospital; J. Stimec, MD, FRCPC, Department of Diagnostic Imaging, The Hospital for Sick Children; J. Panwar, MD, Department of Diagnostic Imaging, The Hospital for Sick Children; K. Thorpe, BMath, MMath, Dalla Lana School of Public Health, University of Toronto; L. Jans, MD, PhD, Department of Radiology and Medical Imaging, Ghent University Hospital; M.A. van Rossum, MD, PhD, Reade | Emma Children’s Hospital/Academic Medical Center; M. Tolend, BSc, Institute of Medical Sciences, Faculty of Medicine, University of Toronto, and Department of Diagnostic Imaging, The Hospital for Sick Children, and Department of Translational Medicine, SickKids Research Institute, Peter Gilgan Center for Research and Learning; M. Perez, MD, Department of Diagnostic Imaging, The Hospital for Sick Children; N. Tzaribachev, MD, Pediatric Rheumatology Research Institute; P. Sandhya, MD, Department of Clinical Immunology and Rheumatology, Christian Medical College; S. Tse, MD, FRCPC, Division of Rheumatology, The Hospital for Sick Children, University of Toronto; A. Simone, MD, PhD, State University of Campina-UNICAMP, Department of Internal Medicine, Cidade Universitaria; V.G. Swami, MD, BSc, Department of Medical Imaging, University of Toronto; Z. Touma, MD, PhD, FACP, FACR, Department of Rheumatology, Center for Prognosis Studies in Rheumatologic Diseases, Toronto Western Hospital; R. Lambert, MB BCh, FRCR, FRCPC, Department of Radiology and Diagnostic Imaging, University of Alberta; A.S. Doria, MD, PhD, MSc, Institute of Medical Sciences, Faculty of Medicine, University of Toronto, and Department of Diagnostic Imaging, The Hospital for Sick Children, and Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, and NIHR Leeds Biomedical Research Centre, Leeds Teaching Hospitals NHS Trust, and Department of Medical Imaging, University of Toronto. Address correspondence to Dr. A.S. Doria, Department of Diagnostic Imaging, The Hospital for Sick Children, 555 University Ave., Toronto, Ontario M5G 1X8, Canada. E-mail: andrea.doria@sickkids.ca Accepted for publication January 30, 2019.
Eva Kirkhus
From the Institute of Medical Sciences, Faculty of Medicine, University of Toronto; Department of Diagnostic Imaging, The Hospital for Sick Children; Department of Translational Medicine, SickKids Research Institute, Peter Gilgan Center for Research and Learning; Dalla Lana School of Public Health, University of Toronto; Division of Rheumatology, The Hospital for Sick Children, University of Toronto; Department of Medical Imaging, University of Toronto; Department of Rheumatology, Center for Prognosis Studies in Rheumatologic Diseases, Toronto Western Hospital, Toronto, Ontario; Department of Rheumatology, University of Alberta; Department of Radiology and Diagnostic Imaging, University of Alberta; Division of Pediatric Rheumatology, Department of Pediatrics, University of Alberta, Edmonton, Alberta, Canada; Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds; UK National Institute for Health Research (NIHR) Leeds Biomedical Research Centre, Leeds Teaching Hospitals National Health Service (NHS) Trust, Leeds, UK; Department of Rheumatology, Leiden University Medical Center, Leiden; Reade | Emma Children’s Hospital/Academic Medical Center, Amsterdam, the Netherlands; University of Pennsylvania Perelman School of Medicine, Division of Rheumatology, Children’s Hospital of Philadelphia and Departments of Pediatric and Epidemiology, Philadelphia, Pennsylvania; Department of Radiology, Nemours Children’s Hospital and Health System, Orlando, Florida, USA; Department of Radiology, National Institute of Geriatrics, Rheumatology and Rehabilitation, Warsaw, Poland; Department of Radiology and Medical Imaging, Ghent University Hospital, Ghent, Belgium; Department of Radiology, Hospital Sant Joan de Deu, Barcelona, Spain; Department of Radiology, Rikshospitalet, Oslo University Hospital, Oslo, Norway; Pediatric Rheumatology Research Institute, Bad Bramstedt, Germany; Department of Clinical Immunology and Rheumatology, Christian Medical College, Vellore, India; State University of Campina-UNICAMP, Department of Internal Medicine, Cidade Universitaria, Sao Paulo, Brazil. P.G. Conaghan is funded in part by the NIHR Leeds Biomedical Research Centre. The views expressed are those of the authors and not necessarily those of the NHS, the NIHR, or the UK Department of Health. T.M. Otobo, MD, MSc, BMedSc, Institute of Medical Sciences, Faculty of Medicine, University of Toronto, and Department of Diagnostic Imaging, The Hospital for Sick Children, and Department of Translational Medicine, SickKids Research Institute, Peter Gilgan Center for Research and Learning; P.G. Conaghan, PhD, MB BS, Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, and NIHR Leeds Biomedical Research Centre, Leeds Teaching Hospitals NHS Trust; W.P. Maksymowych, PhD, MB BS, FRACP, FRCP, Department of Rheumatology, University of Alberta; D. van der Heijde, MD, PhD, Department of Rheumatology, Leiden University Medical Center; P. Weiss, MD, MSCE, University of Pennsylvania Perelman School of Medicine, Division of Rheumatology, Children’s Hospital of Philadelphia and Departments of Pediatric and Epidemiology; I. Sudol-Szopinska, MD, PhD, Department of Radiology, National Institute of Geriatrics, Rheumatology and Rehabilitation; N. Herregods, MD, PhD, Department of Radiology and Medical Imaging, Ghent University Hospital; J.L. Jaremko, MD, PhD, FRCPC, Department of Radiology and Diagnostic Imaging, University of Alberta; A.B. Meyers, MD, Department of Radiology, Nemours Children’s Hospital and Health System; D. Rumsey, MD, FRCPC, Division of Pediatric Rheumatology, Department of Pediatrics, University of Alberta; E.C. Inarejos, MD, Department of Radiology, Hospital Sant Joan de Deu; E. Kirkhus, MD, PhD, Department of Radiology, Rikshospitalet, Oslo University Hospital; J. Stimec, MD, FRCPC, Department of Diagnostic Imaging, The Hospital for Sick Children; J. Panwar, MD, Department of Diagnostic Imaging, The Hospital for Sick Children; K. Thorpe, BMath, MMath, Dalla Lana School of Public Health, University of Toronto; L. Jans, MD, PhD, Department of Radiology and Medical Imaging, Ghent University Hospital; M.A. van Rossum, MD, PhD, Reade | Emma Children’s Hospital/Academic Medical Center; M. Tolend, BSc, Institute of Medical Sciences, Faculty of Medicine, University of Toronto, and Department of Diagnostic Imaging, The Hospital for Sick Children, and Department of Translational Medicine, SickKids Research Institute, Peter Gilgan Center for Research and Learning; M. Perez, MD, Department of Diagnostic Imaging, The Hospital for Sick Children; N. Tzaribachev, MD, Pediatric Rheumatology Research Institute; P. Sandhya, MD, Department of Clinical Immunology and Rheumatology, Christian Medical College; S. Tse, MD, FRCPC, Division of Rheumatology, The Hospital for Sick Children, University of Toronto; A. Simone, MD, PhD, State University of Campina-UNICAMP, Department of Internal Medicine, Cidade Universitaria; V.G. Swami, MD, BSc, Department of Medical Imaging, University of Toronto; Z. Touma, MD, PhD, FACP, FACR, Department of Rheumatology, Center for Prognosis Studies in Rheumatologic Diseases, Toronto Western Hospital; R. Lambert, MB BCh, FRCR, FRCPC, Department of Radiology and Diagnostic Imaging, University of Alberta; A.S. Doria, MD, PhD, MSc, Institute of Medical Sciences, Faculty of Medicine, University of Toronto, and Department of Diagnostic Imaging, The Hospital for Sick Children, and Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, and NIHR Leeds Biomedical Research Centre, Leeds Teaching Hospitals NHS Trust, and Department of Medical Imaging, University of Toronto. Address correspondence to Dr. A.S. Doria, Department of Diagnostic Imaging, The Hospital for Sick Children, 555 University Ave., Toronto, Ontario M5G 1X8, Canada. E-mail: andrea.doria@sickkids.ca Accepted for publication January 30, 2019.
Jennifer Stimec
From the Institute of Medical Sciences, Faculty of Medicine, University of Toronto; Department of Diagnostic Imaging, The Hospital for Sick Children; Department of Translational Medicine, SickKids Research Institute, Peter Gilgan Center for Research and Learning; Dalla Lana School of Public Health, University of Toronto; Division of Rheumatology, The Hospital for Sick Children, University of Toronto; Department of Medical Imaging, University of Toronto; Department of Rheumatology, Center for Prognosis Studies in Rheumatologic Diseases, Toronto Western Hospital, Toronto, Ontario; Department of Rheumatology, University of Alberta; Department of Radiology and Diagnostic Imaging, University of Alberta; Division of Pediatric Rheumatology, Department of Pediatrics, University of Alberta, Edmonton, Alberta, Canada; Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds; UK National Institute for Health Research (NIHR) Leeds Biomedical Research Centre, Leeds Teaching Hospitals National Health Service (NHS) Trust, Leeds, UK; Department of Rheumatology, Leiden University Medical Center, Leiden; Reade | Emma Children’s Hospital/Academic Medical Center, Amsterdam, the Netherlands; University of Pennsylvania Perelman School of Medicine, Division of Rheumatology, Children’s Hospital of Philadelphia and Departments of Pediatric and Epidemiology, Philadelphia, Pennsylvania; Department of Radiology, Nemours Children’s Hospital and Health System, Orlando, Florida, USA; Department of Radiology, National Institute of Geriatrics, Rheumatology and Rehabilitation, Warsaw, Poland; Department of Radiology and Medical Imaging, Ghent University Hospital, Ghent, Belgium; Department of Radiology, Hospital Sant Joan de Deu, Barcelona, Spain; Department of Radiology, Rikshospitalet, Oslo University Hospital, Oslo, Norway; Pediatric Rheumatology Research Institute, Bad Bramstedt, Germany; Department of Clinical Immunology and Rheumatology, Christian Medical College, Vellore, India; State University of Campina-UNICAMP, Department of Internal Medicine, Cidade Universitaria, Sao Paulo, Brazil. P.G. Conaghan is funded in part by the NIHR Leeds Biomedical Research Centre. The views expressed are those of the authors and not necessarily those of the NHS, the NIHR, or the UK Department of Health. T.M. Otobo, MD, MSc, BMedSc, Institute of Medical Sciences, Faculty of Medicine, University of Toronto, and Department of Diagnostic Imaging, The Hospital for Sick Children, and Department of Translational Medicine, SickKids Research Institute, Peter Gilgan Center for Research and Learning; P.G. Conaghan, PhD, MB BS, Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, and NIHR Leeds Biomedical Research Centre, Leeds Teaching Hospitals NHS Trust; W.P. Maksymowych, PhD, MB BS, FRACP, FRCP, Department of Rheumatology, University of Alberta; D. van der Heijde, MD, PhD, Department of Rheumatology, Leiden University Medical Center; P. Weiss, MD, MSCE, University of Pennsylvania Perelman School of Medicine, Division of Rheumatology, Children’s Hospital of Philadelphia and Departments of Pediatric and Epidemiology; I. Sudol-Szopinska, MD, PhD, Department of Radiology, National Institute of Geriatrics, Rheumatology and Rehabilitation; N. Herregods, MD, PhD, Department of Radiology and Medical Imaging, Ghent University Hospital; J.L. Jaremko, MD, PhD, FRCPC, Department of Radiology and Diagnostic Imaging, University of Alberta; A.B. Meyers, MD, Department of Radiology, Nemours Children’s Hospital and Health System; D. Rumsey, MD, FRCPC, Division of Pediatric Rheumatology, Department of Pediatrics, University of Alberta; E.C. Inarejos, MD, Department of Radiology, Hospital Sant Joan de Deu; E. Kirkhus, MD, PhD, Department of Radiology, Rikshospitalet, Oslo University Hospital; J. Stimec, MD, FRCPC, Department of Diagnostic Imaging, The Hospital for Sick Children; J. Panwar, MD, Department of Diagnostic Imaging, The Hospital for Sick Children; K. Thorpe, BMath, MMath, Dalla Lana School of Public Health, University of Toronto; L. Jans, MD, PhD, Department of Radiology and Medical Imaging, Ghent University Hospital; M.A. van Rossum, MD, PhD, Reade | Emma Children’s Hospital/Academic Medical Center; M. Tolend, BSc, Institute of Medical Sciences, Faculty of Medicine, University of Toronto, and Department of Diagnostic Imaging, The Hospital for Sick Children, and Department of Translational Medicine, SickKids Research Institute, Peter Gilgan Center for Research and Learning; M. Perez, MD, Department of Diagnostic Imaging, The Hospital for Sick Children; N. Tzaribachev, MD, Pediatric Rheumatology Research Institute; P. Sandhya, MD, Department of Clinical Immunology and Rheumatology, Christian Medical College; S. Tse, MD, FRCPC, Division of Rheumatology, The Hospital for Sick Children, University of Toronto; A. Simone, MD, PhD, State University of Campina-UNICAMP, Department of Internal Medicine, Cidade Universitaria; V.G. Swami, MD, BSc, Department of Medical Imaging, University of Toronto; Z. Touma, MD, PhD, FACP, FACR, Department of Rheumatology, Center for Prognosis Studies in Rheumatologic Diseases, Toronto Western Hospital; R. Lambert, MB BCh, FRCR, FRCPC, Department of Radiology and Diagnostic Imaging, University of Alberta; A.S. Doria, MD, PhD, MSc, Institute of Medical Sciences, Faculty of Medicine, University of Toronto, and Department of Diagnostic Imaging, The Hospital for Sick Children, and Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, and NIHR Leeds Biomedical Research Centre, Leeds Teaching Hospitals NHS Trust, and Department of Medical Imaging, University of Toronto. Address correspondence to Dr. A.S. Doria, Department of Diagnostic Imaging, The Hospital for Sick Children, 555 University Ave., Toronto, Ontario M5G 1X8, Canada. E-mail: andrea.doria@sickkids.ca Accepted for publication January 30, 2019.
Jyoti Panwar
From the Institute of Medical Sciences, Faculty of Medicine, University of Toronto; Department of Diagnostic Imaging, The Hospital for Sick Children; Department of Translational Medicine, SickKids Research Institute, Peter Gilgan Center for Research and Learning; Dalla Lana School of Public Health, University of Toronto; Division of Rheumatology, The Hospital for Sick Children, University of Toronto; Department of Medical Imaging, University of Toronto; Department of Rheumatology, Center for Prognosis Studies in Rheumatologic Diseases, Toronto Western Hospital, Toronto, Ontario; Department of Rheumatology, University of Alberta; Department of Radiology and Diagnostic Imaging, University of Alberta; Division of Pediatric Rheumatology, Department of Pediatrics, University of Alberta, Edmonton, Alberta, Canada; Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds; UK National Institute for Health Research (NIHR) Leeds Biomedical Research Centre, Leeds Teaching Hospitals National Health Service (NHS) Trust, Leeds, UK; Department of Rheumatology, Leiden University Medical Center, Leiden; Reade | Emma Children’s Hospital/Academic Medical Center, Amsterdam, the Netherlands; University of Pennsylvania Perelman School of Medicine, Division of Rheumatology, Children’s Hospital of Philadelphia and Departments of Pediatric and Epidemiology, Philadelphia, Pennsylvania; Department of Radiology, Nemours Children’s Hospital and Health System, Orlando, Florida, USA; Department of Radiology, National Institute of Geriatrics, Rheumatology and Rehabilitation, Warsaw, Poland; Department of Radiology and Medical Imaging, Ghent University Hospital, Ghent, Belgium; Department of Radiology, Hospital Sant Joan de Deu, Barcelona, Spain; Department of Radiology, Rikshospitalet, Oslo University Hospital, Oslo, Norway; Pediatric Rheumatology Research Institute, Bad Bramstedt, Germany; Department of Clinical Immunology and Rheumatology, Christian Medical College, Vellore, India; State University of Campina-UNICAMP, Department of Internal Medicine, Cidade Universitaria, Sao Paulo, Brazil. P.G. Conaghan is funded in part by the NIHR Leeds Biomedical Research Centre. The views expressed are those of the authors and not necessarily those of the NHS, the NIHR, or the UK Department of Health. T.M. Otobo, MD, MSc, BMedSc, Institute of Medical Sciences, Faculty of Medicine, University of Toronto, and Department of Diagnostic Imaging, The Hospital for Sick Children, and Department of Translational Medicine, SickKids Research Institute, Peter Gilgan Center for Research and Learning; P.G. Conaghan, PhD, MB BS, Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, and NIHR Leeds Biomedical Research Centre, Leeds Teaching Hospitals NHS Trust; W.P. Maksymowych, PhD, MB BS, FRACP, FRCP, Department of Rheumatology, University of Alberta; D. van der Heijde, MD, PhD, Department of Rheumatology, Leiden University Medical Center; P. Weiss, MD, MSCE, University of Pennsylvania Perelman School of Medicine, Division of Rheumatology, Children’s Hospital of Philadelphia and Departments of Pediatric and Epidemiology; I. Sudol-Szopinska, MD, PhD, Department of Radiology, National Institute of Geriatrics, Rheumatology and Rehabilitation; N. Herregods, MD, PhD, Department of Radiology and Medical Imaging, Ghent University Hospital; J.L. Jaremko, MD, PhD, FRCPC, Department of Radiology and Diagnostic Imaging, University of Alberta; A.B. Meyers, MD, Department of Radiology, Nemours Children’s Hospital and Health System; D. Rumsey, MD, FRCPC, Division of Pediatric Rheumatology, Department of Pediatrics, University of Alberta; E.C. Inarejos, MD, Department of Radiology, Hospital Sant Joan de Deu; E. Kirkhus, MD, PhD, Department of Radiology, Rikshospitalet, Oslo University Hospital; J. Stimec, MD, FRCPC, Department of Diagnostic Imaging, The Hospital for Sick Children; J. Panwar, MD, Department of Diagnostic Imaging, The Hospital for Sick Children; K. Thorpe, BMath, MMath, Dalla Lana School of Public Health, University of Toronto; L. Jans, MD, PhD, Department of Radiology and Medical Imaging, Ghent University Hospital; M.A. van Rossum, MD, PhD, Reade | Emma Children’s Hospital/Academic Medical Center; M. Tolend, BSc, Institute of Medical Sciences, Faculty of Medicine, University of Toronto, and Department of Diagnostic Imaging, The Hospital for Sick Children, and Department of Translational Medicine, SickKids Research Institute, Peter Gilgan Center for Research and Learning; M. Perez, MD, Department of Diagnostic Imaging, The Hospital for Sick Children; N. Tzaribachev, MD, Pediatric Rheumatology Research Institute; P. Sandhya, MD, Department of Clinical Immunology and Rheumatology, Christian Medical College; S. Tse, MD, FRCPC, Division of Rheumatology, The Hospital for Sick Children, University of Toronto; A. Simone, MD, PhD, State University of Campina-UNICAMP, Department of Internal Medicine, Cidade Universitaria; V.G. Swami, MD, BSc, Department of Medical Imaging, University of Toronto; Z. Touma, MD, PhD, FACP, FACR, Department of Rheumatology, Center for Prognosis Studies in Rheumatologic Diseases, Toronto Western Hospital; R. Lambert, MB BCh, FRCR, FRCPC, Department of Radiology and Diagnostic Imaging, University of Alberta; A.S. Doria, MD, PhD, MSc, Institute of Medical Sciences, Faculty of Medicine, University of Toronto, and Department of Diagnostic Imaging, The Hospital for Sick Children, and Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, and NIHR Leeds Biomedical Research Centre, Leeds Teaching Hospitals NHS Trust, and Department of Medical Imaging, University of Toronto. Address correspondence to Dr. A.S. Doria, Department of Diagnostic Imaging, The Hospital for Sick Children, 555 University Ave., Toronto, Ontario M5G 1X8, Canada. E-mail: andrea.doria@sickkids.ca Accepted for publication January 30, 2019.
Kevin Thorpe
From the Institute of Medical Sciences, Faculty of Medicine, University of Toronto; Department of Diagnostic Imaging, The Hospital for Sick Children; Department of Translational Medicine, SickKids Research Institute, Peter Gilgan Center for Research and Learning; Dalla Lana School of Public Health, University of Toronto; Division of Rheumatology, The Hospital for Sick Children, University of Toronto; Department of Medical Imaging, University of Toronto; Department of Rheumatology, Center for Prognosis Studies in Rheumatologic Diseases, Toronto Western Hospital, Toronto, Ontario; Department of Rheumatology, University of Alberta; Department of Radiology and Diagnostic Imaging, University of Alberta; Division of Pediatric Rheumatology, Department of Pediatrics, University of Alberta, Edmonton, Alberta, Canada; Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds; UK National Institute for Health Research (NIHR) Leeds Biomedical Research Centre, Leeds Teaching Hospitals National Health Service (NHS) Trust, Leeds, UK; Department of Rheumatology, Leiden University Medical Center, Leiden; Reade | Emma Children’s Hospital/Academic Medical Center, Amsterdam, the Netherlands; University of Pennsylvania Perelman School of Medicine, Division of Rheumatology, Children’s Hospital of Philadelphia and Departments of Pediatric and Epidemiology, Philadelphia, Pennsylvania; Department of Radiology, Nemours Children’s Hospital and Health System, Orlando, Florida, USA; Department of Radiology, National Institute of Geriatrics, Rheumatology and Rehabilitation, Warsaw, Poland; Department of Radiology and Medical Imaging, Ghent University Hospital, Ghent, Belgium; Department of Radiology, Hospital Sant Joan de Deu, Barcelona, Spain; Department of Radiology, Rikshospitalet, Oslo University Hospital, Oslo, Norway; Pediatric Rheumatology Research Institute, Bad Bramstedt, Germany; Department of Clinical Immunology and Rheumatology, Christian Medical College, Vellore, India; State University of Campina-UNICAMP, Department of Internal Medicine, Cidade Universitaria, Sao Paulo, Brazil. P.G. Conaghan is funded in part by the NIHR Leeds Biomedical Research Centre. The views expressed are those of the authors and not necessarily those of the NHS, the NIHR, or the UK Department of Health. T.M. Otobo, MD, MSc, BMedSc, Institute of Medical Sciences, Faculty of Medicine, University of Toronto, and Department of Diagnostic Imaging, The Hospital for Sick Children, and Department of Translational Medicine, SickKids Research Institute, Peter Gilgan Center for Research and Learning; P.G. Conaghan, PhD, MB BS, Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, and NIHR Leeds Biomedical Research Centre, Leeds Teaching Hospitals NHS Trust; W.P. Maksymowych, PhD, MB BS, FRACP, FRCP, Department of Rheumatology, University of Alberta; D. van der Heijde, MD, PhD, Department of Rheumatology, Leiden University Medical Center; P. Weiss, MD, MSCE, University of Pennsylvania Perelman School of Medicine, Division of Rheumatology, Children’s Hospital of Philadelphia and Departments of Pediatric and Epidemiology; I. Sudol-Szopinska, MD, PhD, Department of Radiology, National Institute of Geriatrics, Rheumatology and Rehabilitation; N. Herregods, MD, PhD, Department of Radiology and Medical Imaging, Ghent University Hospital; J.L. Jaremko, MD, PhD, FRCPC, Department of Radiology and Diagnostic Imaging, University of Alberta; A.B. Meyers, MD, Department of Radiology, Nemours Children’s Hospital and Health System; D. Rumsey, MD, FRCPC, Division of Pediatric Rheumatology, Department of Pediatrics, University of Alberta; E.C. Inarejos, MD, Department of Radiology, Hospital Sant Joan de Deu; E. Kirkhus, MD, PhD, Department of Radiology, Rikshospitalet, Oslo University Hospital; J. Stimec, MD, FRCPC, Department of Diagnostic Imaging, The Hospital for Sick Children; J. Panwar, MD, Department of Diagnostic Imaging, The Hospital for Sick Children; K. Thorpe, BMath, MMath, Dalla Lana School of Public Health, University of Toronto; L. Jans, MD, PhD, Department of Radiology and Medical Imaging, Ghent University Hospital; M.A. van Rossum, MD, PhD, Reade | Emma Children’s Hospital/Academic Medical Center; M. Tolend, BSc, Institute of Medical Sciences, Faculty of Medicine, University of Toronto, and Department of Diagnostic Imaging, The Hospital for Sick Children, and Department of Translational Medicine, SickKids Research Institute, Peter Gilgan Center for Research and Learning; M. Perez, MD, Department of Diagnostic Imaging, The Hospital for Sick Children; N. Tzaribachev, MD, Pediatric Rheumatology Research Institute; P. Sandhya, MD, Department of Clinical Immunology and Rheumatology, Christian Medical College; S. Tse, MD, FRCPC, Division of Rheumatology, The Hospital for Sick Children, University of Toronto; A. Simone, MD, PhD, State University of Campina-UNICAMP, Department of Internal Medicine, Cidade Universitaria; V.G. Swami, MD, BSc, Department of Medical Imaging, University of Toronto; Z. Touma, MD, PhD, FACP, FACR, Department of Rheumatology, Center for Prognosis Studies in Rheumatologic Diseases, Toronto Western Hospital; R. Lambert, MB BCh, FRCR, FRCPC, Department of Radiology and Diagnostic Imaging, University of Alberta; A.S. Doria, MD, PhD, MSc, Institute of Medical Sciences, Faculty of Medicine, University of Toronto, and Department of Diagnostic Imaging, The Hospital for Sick Children, and Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, and NIHR Leeds Biomedical Research Centre, Leeds Teaching Hospitals NHS Trust, and Department of Medical Imaging, University of Toronto. Address correspondence to Dr. A.S. Doria, Department of Diagnostic Imaging, The Hospital for Sick Children, 555 University Ave., Toronto, Ontario M5G 1X8, Canada. E-mail: andrea.doria@sickkids.ca Accepted for publication January 30, 2019.
Lennart Jans
From the Institute of Medical Sciences, Faculty of Medicine, University of Toronto; Department of Diagnostic Imaging, The Hospital for Sick Children; Department of Translational Medicine, SickKids Research Institute, Peter Gilgan Center for Research and Learning; Dalla Lana School of Public Health, University of Toronto; Division of Rheumatology, The Hospital for Sick Children, University of Toronto; Department of Medical Imaging, University of Toronto; Department of Rheumatology, Center for Prognosis Studies in Rheumatologic Diseases, Toronto Western Hospital, Toronto, Ontario; Department of Rheumatology, University of Alberta; Department of Radiology and Diagnostic Imaging, University of Alberta; Division of Pediatric Rheumatology, Department of Pediatrics, University of Alberta, Edmonton, Alberta, Canada; Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds; UK National Institute for Health Research (NIHR) Leeds Biomedical Research Centre, Leeds Teaching Hospitals National Health Service (NHS) Trust, Leeds, UK; Department of Rheumatology, Leiden University Medical Center, Leiden; Reade | Emma Children’s Hospital/Academic Medical Center, Amsterdam, the Netherlands; University of Pennsylvania Perelman School of Medicine, Division of Rheumatology, Children’s Hospital of Philadelphia and Departments of Pediatric and Epidemiology, Philadelphia, Pennsylvania; Department of Radiology, Nemours Children’s Hospital and Health System, Orlando, Florida, USA; Department of Radiology, National Institute of Geriatrics, Rheumatology and Rehabilitation, Warsaw, Poland; Department of Radiology and Medical Imaging, Ghent University Hospital, Ghent, Belgium; Department of Radiology, Hospital Sant Joan de Deu, Barcelona, Spain; Department of Radiology, Rikshospitalet, Oslo University Hospital, Oslo, Norway; Pediatric Rheumatology Research Institute, Bad Bramstedt, Germany; Department of Clinical Immunology and Rheumatology, Christian Medical College, Vellore, India; State University of Campina-UNICAMP, Department of Internal Medicine, Cidade Universitaria, Sao Paulo, Brazil. P.G. Conaghan is funded in part by the NIHR Leeds Biomedical Research Centre. The views expressed are those of the authors and not necessarily those of the NHS, the NIHR, or the UK Department of Health. T.M. Otobo, MD, MSc, BMedSc, Institute of Medical Sciences, Faculty of Medicine, University of Toronto, and Department of Diagnostic Imaging, The Hospital for Sick Children, and Department of Translational Medicine, SickKids Research Institute, Peter Gilgan Center for Research and Learning; P.G. Conaghan, PhD, MB BS, Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, and NIHR Leeds Biomedical Research Centre, Leeds Teaching Hospitals NHS Trust; W.P. Maksymowych, PhD, MB BS, FRACP, FRCP, Department of Rheumatology, University of Alberta; D. van der Heijde, MD, PhD, Department of Rheumatology, Leiden University Medical Center; P. Weiss, MD, MSCE, University of Pennsylvania Perelman School of Medicine, Division of Rheumatology, Children’s Hospital of Philadelphia and Departments of Pediatric and Epidemiology; I. Sudol-Szopinska, MD, PhD, Department of Radiology, National Institute of Geriatrics, Rheumatology and Rehabilitation; N. Herregods, MD, PhD, Department of Radiology and Medical Imaging, Ghent University Hospital; J.L. Jaremko, MD, PhD, FRCPC, Department of Radiology and Diagnostic Imaging, University of Alberta; A.B. Meyers, MD, Department of Radiology, Nemours Children’s Hospital and Health System; D. Rumsey, MD, FRCPC, Division of Pediatric Rheumatology, Department of Pediatrics, University of Alberta; E.C. Inarejos, MD, Department of Radiology, Hospital Sant Joan de Deu; E. Kirkhus, MD, PhD, Department of Radiology, Rikshospitalet, Oslo University Hospital; J. Stimec, MD, FRCPC, Department of Diagnostic Imaging, The Hospital for Sick Children; J. Panwar, MD, Department of Diagnostic Imaging, The Hospital for Sick Children; K. Thorpe, BMath, MMath, Dalla Lana School of Public Health, University of Toronto; L. Jans, MD, PhD, Department of Radiology and Medical Imaging, Ghent University Hospital; M.A. van Rossum, MD, PhD, Reade | Emma Children’s Hospital/Academic Medical Center; M. Tolend, BSc, Institute of Medical Sciences, Faculty of Medicine, University of Toronto, and Department of Diagnostic Imaging, The Hospital for Sick Children, and Department of Translational Medicine, SickKids Research Institute, Peter Gilgan Center for Research and Learning; M. Perez, MD, Department of Diagnostic Imaging, The Hospital for Sick Children; N. Tzaribachev, MD, Pediatric Rheumatology Research Institute; P. Sandhya, MD, Department of Clinical Immunology and Rheumatology, Christian Medical College; S. Tse, MD, FRCPC, Division of Rheumatology, The Hospital for Sick Children, University of Toronto; A. Simone, MD, PhD, State University of Campina-UNICAMP, Department of Internal Medicine, Cidade Universitaria; V.G. Swami, MD, BSc, Department of Medical Imaging, University of Toronto; Z. Touma, MD, PhD, FACP, FACR, Department of Rheumatology, Center for Prognosis Studies in Rheumatologic Diseases, Toronto Western Hospital; R. Lambert, MB BCh, FRCR, FRCPC, Department of Radiology and Diagnostic Imaging, University of Alberta; A.S. Doria, MD, PhD, MSc, Institute of Medical Sciences, Faculty of Medicine, University of Toronto, and Department of Diagnostic Imaging, The Hospital for Sick Children, and Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, and NIHR Leeds Biomedical Research Centre, Leeds Teaching Hospitals NHS Trust, and Department of Medical Imaging, University of Toronto. Address correspondence to Dr. A.S. Doria, Department of Diagnostic Imaging, The Hospital for Sick Children, 555 University Ave., Toronto, Ontario M5G 1X8, Canada. E-mail: andrea.doria@sickkids.ca Accepted for publication January 30, 2019.
M.A. van Rossum
From the Institute of Medical Sciences, Faculty of Medicine, University of Toronto; Department of Diagnostic Imaging, The Hospital for Sick Children; Department of Translational Medicine, SickKids Research Institute, Peter Gilgan Center for Research and Learning; Dalla Lana School of Public Health, University of Toronto; Division of Rheumatology, The Hospital for Sick Children, University of Toronto; Department of Medical Imaging, University of Toronto; Department of Rheumatology, Center for Prognosis Studies in Rheumatologic Diseases, Toronto Western Hospital, Toronto, Ontario; Department of Rheumatology, University of Alberta; Department of Radiology and Diagnostic Imaging, University of Alberta; Division of Pediatric Rheumatology, Department of Pediatrics, University of Alberta, Edmonton, Alberta, Canada; Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds; UK National Institute for Health Research (NIHR) Leeds Biomedical Research Centre, Leeds Teaching Hospitals National Health Service (NHS) Trust, Leeds, UK; Department of Rheumatology, Leiden University Medical Center, Leiden; Reade | Emma Children’s Hospital/Academic Medical Center, Amsterdam, the Netherlands; University of Pennsylvania Perelman School of Medicine, Division of Rheumatology, Children’s Hospital of Philadelphia and Departments of Pediatric and Epidemiology, Philadelphia, Pennsylvania; Department of Radiology, Nemours Children’s Hospital and Health System, Orlando, Florida, USA; Department of Radiology, National Institute of Geriatrics, Rheumatology and Rehabilitation, Warsaw, Poland; Department of Radiology and Medical Imaging, Ghent University Hospital, Ghent, Belgium; Department of Radiology, Hospital Sant Joan de Deu, Barcelona, Spain; Department of Radiology, Rikshospitalet, Oslo University Hospital, Oslo, Norway; Pediatric Rheumatology Research Institute, Bad Bramstedt, Germany; Department of Clinical Immunology and Rheumatology, Christian Medical College, Vellore, India; State University of Campina-UNICAMP, Department of Internal Medicine, Cidade Universitaria, Sao Paulo, Brazil. P.G. Conaghan is funded in part by the NIHR Leeds Biomedical Research Centre. The views expressed are those of the authors and not necessarily those of the NHS, the NIHR, or the UK Department of Health. T.M. Otobo, MD, MSc, BMedSc, Institute of Medical Sciences, Faculty of Medicine, University of Toronto, and Department of Diagnostic Imaging, The Hospital for Sick Children, and Department of Translational Medicine, SickKids Research Institute, Peter Gilgan Center for Research and Learning; P.G. Conaghan, PhD, MB BS, Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, and NIHR Leeds Biomedical Research Centre, Leeds Teaching Hospitals NHS Trust; W.P. Maksymowych, PhD, MB BS, FRACP, FRCP, Department of Rheumatology, University of Alberta; D. van der Heijde, MD, PhD, Department of Rheumatology, Leiden University Medical Center; P. Weiss, MD, MSCE, University of Pennsylvania Perelman School of Medicine, Division of Rheumatology, Children’s Hospital of Philadelphia and Departments of Pediatric and Epidemiology; I. Sudol-Szopinska, MD, PhD, Department of Radiology, National Institute of Geriatrics, Rheumatology and Rehabilitation; N. Herregods, MD, PhD, Department of Radiology and Medical Imaging, Ghent University Hospital; J.L. Jaremko, MD, PhD, FRCPC, Department of Radiology and Diagnostic Imaging, University of Alberta; A.B. Meyers, MD, Department of Radiology, Nemours Children’s Hospital and Health System; D. Rumsey, MD, FRCPC, Division of Pediatric Rheumatology, Department of Pediatrics, University of Alberta; E.C. Inarejos, MD, Department of Radiology, Hospital Sant Joan de Deu; E. Kirkhus, MD, PhD, Department of Radiology, Rikshospitalet, Oslo University Hospital; J. Stimec, MD, FRCPC, Department of Diagnostic Imaging, The Hospital for Sick Children; J. Panwar, MD, Department of Diagnostic Imaging, The Hospital for Sick Children; K. Thorpe, BMath, MMath, Dalla Lana School of Public Health, University of Toronto; L. Jans, MD, PhD, Department of Radiology and Medical Imaging, Ghent University Hospital; M.A. van Rossum, MD, PhD, Reade | Emma Children’s Hospital/Academic Medical Center; M. Tolend, BSc, Institute of Medical Sciences, Faculty of Medicine, University of Toronto, and Department of Diagnostic Imaging, The Hospital for Sick Children, and Department of Translational Medicine, SickKids Research Institute, Peter Gilgan Center for Research and Learning; M. Perez, MD, Department of Diagnostic Imaging, The Hospital for Sick Children; N. Tzaribachev, MD, Pediatric Rheumatology Research Institute; P. Sandhya, MD, Department of Clinical Immunology and Rheumatology, Christian Medical College; S. Tse, MD, FRCPC, Division of Rheumatology, The Hospital for Sick Children, University of Toronto; A. Simone, MD, PhD, State University of Campina-UNICAMP, Department of Internal Medicine, Cidade Universitaria; V.G. Swami, MD, BSc, Department of Medical Imaging, University of Toronto; Z. Touma, MD, PhD, FACP, FACR, Department of Rheumatology, Center for Prognosis Studies in Rheumatologic Diseases, Toronto Western Hospital; R. Lambert, MB BCh, FRCR, FRCPC, Department of Radiology and Diagnostic Imaging, University of Alberta; A.S. Doria, MD, PhD, MSc, Institute of Medical Sciences, Faculty of Medicine, University of Toronto, and Department of Diagnostic Imaging, The Hospital for Sick Children, and Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, and NIHR Leeds Biomedical Research Centre, Leeds Teaching Hospitals NHS Trust, and Department of Medical Imaging, University of Toronto. Address correspondence to Dr. A.S. Doria, Department of Diagnostic Imaging, The Hospital for Sick Children, 555 University Ave., Toronto, Ontario M5G 1X8, Canada. E-mail: andrea.doria@sickkids.ca Accepted for publication January 30, 2019.
Mirkamal Tolend
From the Institute of Medical Sciences, Faculty of Medicine, University of Toronto; Department of Diagnostic Imaging, The Hospital for Sick Children; Department of Translational Medicine, SickKids Research Institute, Peter Gilgan Center for Research and Learning; Dalla Lana School of Public Health, University of Toronto; Division of Rheumatology, The Hospital for Sick Children, University of Toronto; Department of Medical Imaging, University of Toronto; Department of Rheumatology, Center for Prognosis Studies in Rheumatologic Diseases, Toronto Western Hospital, Toronto, Ontario; Department of Rheumatology, University of Alberta; Department of Radiology and Diagnostic Imaging, University of Alberta; Division of Pediatric Rheumatology, Department of Pediatrics, University of Alberta, Edmonton, Alberta, Canada; Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds; UK National Institute for Health Research (NIHR) Leeds Biomedical Research Centre, Leeds Teaching Hospitals National Health Service (NHS) Trust, Leeds, UK; Department of Rheumatology, Leiden University Medical Center, Leiden; Reade | Emma Children’s Hospital/Academic Medical Center, Amsterdam, the Netherlands; University of Pennsylvania Perelman School of Medicine, Division of Rheumatology, Children’s Hospital of Philadelphia and Departments of Pediatric and Epidemiology, Philadelphia, Pennsylvania; Department of Radiology, Nemours Children’s Hospital and Health System, Orlando, Florida, USA; Department of Radiology, National Institute of Geriatrics, Rheumatology and Rehabilitation, Warsaw, Poland; Department of Radiology and Medical Imaging, Ghent University Hospital, Ghent, Belgium; Department of Radiology, Hospital Sant Joan de Deu, Barcelona, Spain; Department of Radiology, Rikshospitalet, Oslo University Hospital, Oslo, Norway; Pediatric Rheumatology Research Institute, Bad Bramstedt, Germany; Department of Clinical Immunology and Rheumatology, Christian Medical College, Vellore, India; State University of Campina-UNICAMP, Department of Internal Medicine, Cidade Universitaria, Sao Paulo, Brazil. P.G. Conaghan is funded in part by the NIHR Leeds Biomedical Research Centre. The views expressed are those of the authors and not necessarily those of the NHS, the NIHR, or the UK Department of Health. T.M. Otobo, MD, MSc, BMedSc, Institute of Medical Sciences, Faculty of Medicine, University of Toronto, and Department of Diagnostic Imaging, The Hospital for Sick Children, and Department of Translational Medicine, SickKids Research Institute, Peter Gilgan Center for Research and Learning; P.G. Conaghan, PhD, MB BS, Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, and NIHR Leeds Biomedical Research Centre, Leeds Teaching Hospitals NHS Trust; W.P. Maksymowych, PhD, MB BS, FRACP, FRCP, Department of Rheumatology, University of Alberta; D. van der Heijde, MD, PhD, Department of Rheumatology, Leiden University Medical Center; P. Weiss, MD, MSCE, University of Pennsylvania Perelman School of Medicine, Division of Rheumatology, Children’s Hospital of Philadelphia and Departments of Pediatric and Epidemiology; I. Sudol-Szopinska, MD, PhD, Department of Radiology, National Institute of Geriatrics, Rheumatology and Rehabilitation; N. Herregods, MD, PhD, Department of Radiology and Medical Imaging, Ghent University Hospital; J.L. Jaremko, MD, PhD, FRCPC, Department of Radiology and Diagnostic Imaging, University of Alberta; A.B. Meyers, MD, Department of Radiology, Nemours Children’s Hospital and Health System; D. Rumsey, MD, FRCPC, Division of Pediatric Rheumatology, Department of Pediatrics, University of Alberta; E.C. Inarejos, MD, Department of Radiology, Hospital Sant Joan de Deu; E. Kirkhus, MD, PhD, Department of Radiology, Rikshospitalet, Oslo University Hospital; J. Stimec, MD, FRCPC, Department of Diagnostic Imaging, The Hospital for Sick Children; J. Panwar, MD, Department of Diagnostic Imaging, The Hospital for Sick Children; K. Thorpe, BMath, MMath, Dalla Lana School of Public Health, University of Toronto; L. Jans, MD, PhD, Department of Radiology and Medical Imaging, Ghent University Hospital; M.A. van Rossum, MD, PhD, Reade | Emma Children’s Hospital/Academic Medical Center; M. Tolend, BSc, Institute of Medical Sciences, Faculty of Medicine, University of Toronto, and Department of Diagnostic Imaging, The Hospital for Sick Children, and Department of Translational Medicine, SickKids Research Institute, Peter Gilgan Center for Research and Learning; M. Perez, MD, Department of Diagnostic Imaging, The Hospital for Sick Children; N. Tzaribachev, MD, Pediatric Rheumatology Research Institute; P. Sandhya, MD, Department of Clinical Immunology and Rheumatology, Christian Medical College; S. Tse, MD, FRCPC, Division of Rheumatology, The Hospital for Sick Children, University of Toronto; A. Simone, MD, PhD, State University of Campina-UNICAMP, Department of Internal Medicine, Cidade Universitaria; V.G. Swami, MD, BSc, Department of Medical Imaging, University of Toronto; Z. Touma, MD, PhD, FACP, FACR, Department of Rheumatology, Center for Prognosis Studies in Rheumatologic Diseases, Toronto Western Hospital; R. Lambert, MB BCh, FRCR, FRCPC, Department of Radiology and Diagnostic Imaging, University of Alberta; A.S. Doria, MD, PhD, MSc, Institute of Medical Sciences, Faculty of Medicine, University of Toronto, and Department of Diagnostic Imaging, The Hospital for Sick Children, and Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, and NIHR Leeds Biomedical Research Centre, Leeds Teaching Hospitals NHS Trust, and Department of Medical Imaging, University of Toronto. Address correspondence to Dr. A.S. Doria, Department of Diagnostic Imaging, The Hospital for Sick Children, 555 University Ave., Toronto, Ontario M5G 1X8, Canada. E-mail: andrea.doria@sickkids.ca Accepted for publication January 30, 2019.
Manuela Perez
From the Institute of Medical Sciences, Faculty of Medicine, University of Toronto; Department of Diagnostic Imaging, The Hospital for Sick Children; Department of Translational Medicine, SickKids Research Institute, Peter Gilgan Center for Research and Learning; Dalla Lana School of Public Health, University of Toronto; Division of Rheumatology, The Hospital for Sick Children, University of Toronto; Department of Medical Imaging, University of Toronto; Department of Rheumatology, Center for Prognosis Studies in Rheumatologic Diseases, Toronto Western Hospital, Toronto, Ontario; Department of Rheumatology, University of Alberta; Department of Radiology and Diagnostic Imaging, University of Alberta; Division of Pediatric Rheumatology, Department of Pediatrics, University of Alberta, Edmonton, Alberta, Canada; Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds; UK National Institute for Health Research (NIHR) Leeds Biomedical Research Centre, Leeds Teaching Hospitals National Health Service (NHS) Trust, Leeds, UK; Department of Rheumatology, Leiden University Medical Center, Leiden; Reade | Emma Children’s Hospital/Academic Medical Center, Amsterdam, the Netherlands; University of Pennsylvania Perelman School of Medicine, Division of Rheumatology, Children’s Hospital of Philadelphia and Departments of Pediatric and Epidemiology, Philadelphia, Pennsylvania; Department of Radiology, Nemours Children’s Hospital and Health System, Orlando, Florida, USA; Department of Radiology, National Institute of Geriatrics, Rheumatology and Rehabilitation, Warsaw, Poland; Department of Radiology and Medical Imaging, Ghent University Hospital, Ghent, Belgium; Department of Radiology, Hospital Sant Joan de Deu, Barcelona, Spain; Department of Radiology, Rikshospitalet, Oslo University Hospital, Oslo, Norway; Pediatric Rheumatology Research Institute, Bad Bramstedt, Germany; Department of Clinical Immunology and Rheumatology, Christian Medical College, Vellore, India; State University of Campina-UNICAMP, Department of Internal Medicine, Cidade Universitaria, Sao Paulo, Brazil. P.G. Conaghan is funded in part by the NIHR Leeds Biomedical Research Centre. The views expressed are those of the authors and not necessarily those of the NHS, the NIHR, or the UK Department of Health. T.M. Otobo, MD, MSc, BMedSc, Institute of Medical Sciences, Faculty of Medicine, University of Toronto, and Department of Diagnostic Imaging, The Hospital for Sick Children, and Department of Translational Medicine, SickKids Research Institute, Peter Gilgan Center for Research and Learning; P.G. Conaghan, PhD, MB BS, Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, and NIHR Leeds Biomedical Research Centre, Leeds Teaching Hospitals NHS Trust; W.P. Maksymowych, PhD, MB BS, FRACP, FRCP, Department of Rheumatology, University of Alberta; D. van der Heijde, MD, PhD, Department of Rheumatology, Leiden University Medical Center; P. Weiss, MD, MSCE, University of Pennsylvania Perelman School of Medicine, Division of Rheumatology, Children’s Hospital of Philadelphia and Departments of Pediatric and Epidemiology; I. Sudol-Szopinska, MD, PhD, Department of Radiology, National Institute of Geriatrics, Rheumatology and Rehabilitation; N. Herregods, MD, PhD, Department of Radiology and Medical Imaging, Ghent University Hospital; J.L. Jaremko, MD, PhD, FRCPC, Department of Radiology and Diagnostic Imaging, University of Alberta; A.B. Meyers, MD, Department of Radiology, Nemours Children’s Hospital and Health System; D. Rumsey, MD, FRCPC, Division of Pediatric Rheumatology, Department of Pediatrics, University of Alberta; E.C. Inarejos, MD, Department of Radiology, Hospital Sant Joan de Deu; E. Kirkhus, MD, PhD, Department of Radiology, Rikshospitalet, Oslo University Hospital; J. Stimec, MD, FRCPC, Department of Diagnostic Imaging, The Hospital for Sick Children; J. Panwar, MD, Department of Diagnostic Imaging, The Hospital for Sick Children; K. Thorpe, BMath, MMath, Dalla Lana School of Public Health, University of Toronto; L. Jans, MD, PhD, Department of Radiology and Medical Imaging, Ghent University Hospital; M.A. van Rossum, MD, PhD, Reade | Emma Children’s Hospital/Academic Medical Center; M. Tolend, BSc, Institute of Medical Sciences, Faculty of Medicine, University of Toronto, and Department of Diagnostic Imaging, The Hospital for Sick Children, and Department of Translational Medicine, SickKids Research Institute, Peter Gilgan Center for Research and Learning; M. Perez, MD, Department of Diagnostic Imaging, The Hospital for Sick Children; N. Tzaribachev, MD, Pediatric Rheumatology Research Institute; P. Sandhya, MD, Department of Clinical Immunology and Rheumatology, Christian Medical College; S. Tse, MD, FRCPC, Division of Rheumatology, The Hospital for Sick Children, University of Toronto; A. Simone, MD, PhD, State University of Campina-UNICAMP, Department of Internal Medicine, Cidade Universitaria; V.G. Swami, MD, BSc, Department of Medical Imaging, University of Toronto; Z. Touma, MD, PhD, FACP, FACR, Department of Rheumatology, Center for Prognosis Studies in Rheumatologic Diseases, Toronto Western Hospital; R. Lambert, MB BCh, FRCR, FRCPC, Department of Radiology and Diagnostic Imaging, University of Alberta; A.S. Doria, MD, PhD, MSc, Institute of Medical Sciences, Faculty of Medicine, University of Toronto, and Department of Diagnostic Imaging, The Hospital for Sick Children, and Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, and NIHR Leeds Biomedical Research Centre, Leeds Teaching Hospitals NHS Trust, and Department of Medical Imaging, University of Toronto. Address correspondence to Dr. A.S. Doria, Department of Diagnostic Imaging, The Hospital for Sick Children, 555 University Ave., Toronto, Ontario M5G 1X8, Canada. E-mail: andrea.doria@sickkids.ca Accepted for publication January 30, 2019.
Nikolay Tzaribachev
From the Institute of Medical Sciences, Faculty of Medicine, University of Toronto; Department of Diagnostic Imaging, The Hospital for Sick Children; Department of Translational Medicine, SickKids Research Institute, Peter Gilgan Center for Research and Learning; Dalla Lana School of Public Health, University of Toronto; Division of Rheumatology, The Hospital for Sick Children, University of Toronto; Department of Medical Imaging, University of Toronto; Department of Rheumatology, Center for Prognosis Studies in Rheumatologic Diseases, Toronto Western Hospital, Toronto, Ontario; Department of Rheumatology, University of Alberta; Department of Radiology and Diagnostic Imaging, University of Alberta; Division of Pediatric Rheumatology, Department of Pediatrics, University of Alberta, Edmonton, Alberta, Canada; Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds; UK National Institute for Health Research (NIHR) Leeds Biomedical Research Centre, Leeds Teaching Hospitals National Health Service (NHS) Trust, Leeds, UK; Department of Rheumatology, Leiden University Medical Center, Leiden; Reade | Emma Children’s Hospital/Academic Medical Center, Amsterdam, the Netherlands; University of Pennsylvania Perelman School of Medicine, Division of Rheumatology, Children’s Hospital of Philadelphia and Departments of Pediatric and Epidemiology, Philadelphia, Pennsylvania; Department of Radiology, Nemours Children’s Hospital and Health System, Orlando, Florida, USA; Department of Radiology, National Institute of Geriatrics, Rheumatology and Rehabilitation, Warsaw, Poland; Department of Radiology and Medical Imaging, Ghent University Hospital, Ghent, Belgium; Department of Radiology, Hospital Sant Joan de Deu, Barcelona, Spain; Department of Radiology, Rikshospitalet, Oslo University Hospital, Oslo, Norway; Pediatric Rheumatology Research Institute, Bad Bramstedt, Germany; Department of Clinical Immunology and Rheumatology, Christian Medical College, Vellore, India; State University of Campina-UNICAMP, Department of Internal Medicine, Cidade Universitaria, Sao Paulo, Brazil. P.G. Conaghan is funded in part by the NIHR Leeds Biomedical Research Centre. The views expressed are those of the authors and not necessarily those of the NHS, the NIHR, or the UK Department of Health. T.M. Otobo, MD, MSc, BMedSc, Institute of Medical Sciences, Faculty of Medicine, University of Toronto, and Department of Diagnostic Imaging, The Hospital for Sick Children, and Department of Translational Medicine, SickKids Research Institute, Peter Gilgan Center for Research and Learning; P.G. Conaghan, PhD, MB BS, Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, and NIHR Leeds Biomedical Research Centre, Leeds Teaching Hospitals NHS Trust; W.P. Maksymowych, PhD, MB BS, FRACP, FRCP, Department of Rheumatology, University of Alberta; D. van der Heijde, MD, PhD, Department of Rheumatology, Leiden University Medical Center; P. Weiss, MD, MSCE, University of Pennsylvania Perelman School of Medicine, Division of Rheumatology, Children’s Hospital of Philadelphia and Departments of Pediatric and Epidemiology; I. Sudol-Szopinska, MD, PhD, Department of Radiology, National Institute of Geriatrics, Rheumatology and Rehabilitation; N. Herregods, MD, PhD, Department of Radiology and Medical Imaging, Ghent University Hospital; J.L. Jaremko, MD, PhD, FRCPC, Department of Radiology and Diagnostic Imaging, University of Alberta; A.B. Meyers, MD, Department of Radiology, Nemours Children’s Hospital and Health System; D. Rumsey, MD, FRCPC, Division of Pediatric Rheumatology, Department of Pediatrics, University of Alberta; E.C. Inarejos, MD, Department of Radiology, Hospital Sant Joan de Deu; E. Kirkhus, MD, PhD, Department of Radiology, Rikshospitalet, Oslo University Hospital; J. Stimec, MD, FRCPC, Department of Diagnostic Imaging, The Hospital for Sick Children; J. Panwar, MD, Department of Diagnostic Imaging, The Hospital for Sick Children; K. Thorpe, BMath, MMath, Dalla Lana School of Public Health, University of Toronto; L. Jans, MD, PhD, Department of Radiology and Medical Imaging, Ghent University Hospital; M.A. van Rossum, MD, PhD, Reade | Emma Children’s Hospital/Academic Medical Center; M. Tolend, BSc, Institute of Medical Sciences, Faculty of Medicine, University of Toronto, and Department of Diagnostic Imaging, The Hospital for Sick Children, and Department of Translational Medicine, SickKids Research Institute, Peter Gilgan Center for Research and Learning; M. Perez, MD, Department of Diagnostic Imaging, The Hospital for Sick Children; N. Tzaribachev, MD, Pediatric Rheumatology Research Institute; P. Sandhya, MD, Department of Clinical Immunology and Rheumatology, Christian Medical College; S. Tse, MD, FRCPC, Division of Rheumatology, The Hospital for Sick Children, University of Toronto; A. Simone, MD, PhD, State University of Campina-UNICAMP, Department of Internal Medicine, Cidade Universitaria; V.G. Swami, MD, BSc, Department of Medical Imaging, University of Toronto; Z. Touma, MD, PhD, FACP, FACR, Department of Rheumatology, Center for Prognosis Studies in Rheumatologic Diseases, Toronto Western Hospital; R. Lambert, MB BCh, FRCR, FRCPC, Department of Radiology and Diagnostic Imaging, University of Alberta; A.S. Doria, MD, PhD, MSc, Institute of Medical Sciences, Faculty of Medicine, University of Toronto, and Department of Diagnostic Imaging, The Hospital for Sick Children, and Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, and NIHR Leeds Biomedical Research Centre, Leeds Teaching Hospitals NHS Trust, and Department of Medical Imaging, University of Toronto. Address correspondence to Dr. A.S. Doria, Department of Diagnostic Imaging, The Hospital for Sick Children, 555 University Ave., Toronto, Ontario M5G 1X8, Canada. E-mail: andrea.doria@sickkids.ca Accepted for publication January 30, 2019.
Pulukool Sandhya
From the Institute of Medical Sciences, Faculty of Medicine, University of Toronto; Department of Diagnostic Imaging, The Hospital for Sick Children; Department of Translational Medicine, SickKids Research Institute, Peter Gilgan Center for Research and Learning; Dalla Lana School of Public Health, University of Toronto; Division of Rheumatology, The Hospital for Sick Children, University of Toronto; Department of Medical Imaging, University of Toronto; Department of Rheumatology, Center for Prognosis Studies in Rheumatologic Diseases, Toronto Western Hospital, Toronto, Ontario; Department of Rheumatology, University of Alberta; Department of Radiology and Diagnostic Imaging, University of Alberta; Division of Pediatric Rheumatology, Department of Pediatrics, University of Alberta, Edmonton, Alberta, Canada; Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds; UK National Institute for Health Research (NIHR) Leeds Biomedical Research Centre, Leeds Teaching Hospitals National Health Service (NHS) Trust, Leeds, UK; Department of Rheumatology, Leiden University Medical Center, Leiden; Reade | Emma Children’s Hospital/Academic Medical Center, Amsterdam, the Netherlands; University of Pennsylvania Perelman School of Medicine, Division of Rheumatology, Children’s Hospital of Philadelphia and Departments of Pediatric and Epidemiology, Philadelphia, Pennsylvania; Department of Radiology, Nemours Children’s Hospital and Health System, Orlando, Florida, USA; Department of Radiology, National Institute of Geriatrics, Rheumatology and Rehabilitation, Warsaw, Poland; Department of Radiology and Medical Imaging, Ghent University Hospital, Ghent, Belgium; Department of Radiology, Hospital Sant Joan de Deu, Barcelona, Spain; Department of Radiology, Rikshospitalet, Oslo University Hospital, Oslo, Norway; Pediatric Rheumatology Research Institute, Bad Bramstedt, Germany; Department of Clinical Immunology and Rheumatology, Christian Medical College, Vellore, India; State University of Campina-UNICAMP, Department of Internal Medicine, Cidade Universitaria, Sao Paulo, Brazil. P.G. Conaghan is funded in part by the NIHR Leeds Biomedical Research Centre. The views expressed are those of the authors and not necessarily those of the NHS, the NIHR, or the UK Department of Health. T.M. Otobo, MD, MSc, BMedSc, Institute of Medical Sciences, Faculty of Medicine, University of Toronto, and Department of Diagnostic Imaging, The Hospital for Sick Children, and Department of Translational Medicine, SickKids Research Institute, Peter Gilgan Center for Research and Learning; P.G. Conaghan, PhD, MB BS, Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, and NIHR Leeds Biomedical Research Centre, Leeds Teaching Hospitals NHS Trust; W.P. Maksymowych, PhD, MB BS, FRACP, FRCP, Department of Rheumatology, University of Alberta; D. van der Heijde, MD, PhD, Department of Rheumatology, Leiden University Medical Center; P. Weiss, MD, MSCE, University of Pennsylvania Perelman School of Medicine, Division of Rheumatology, Children’s Hospital of Philadelphia and Departments of Pediatric and Epidemiology; I. Sudol-Szopinska, MD, PhD, Department of Radiology, National Institute of Geriatrics, Rheumatology and Rehabilitation; N. Herregods, MD, PhD, Department of Radiology and Medical Imaging, Ghent University Hospital; J.L. Jaremko, MD, PhD, FRCPC, Department of Radiology and Diagnostic Imaging, University of Alberta; A.B. Meyers, MD, Department of Radiology, Nemours Children’s Hospital and Health System; D. Rumsey, MD, FRCPC, Division of Pediatric Rheumatology, Department of Pediatrics, University of Alberta; E.C. Inarejos, MD, Department of Radiology, Hospital Sant Joan de Deu; E. Kirkhus, MD, PhD, Department of Radiology, Rikshospitalet, Oslo University Hospital; J. Stimec, MD, FRCPC, Department of Diagnostic Imaging, The Hospital for Sick Children; J. Panwar, MD, Department of Diagnostic Imaging, The Hospital for Sick Children; K. Thorpe, BMath, MMath, Dalla Lana School of Public Health, University of Toronto; L. Jans, MD, PhD, Department of Radiology and Medical Imaging, Ghent University Hospital; M.A. van Rossum, MD, PhD, Reade | Emma Children’s Hospital/Academic Medical Center; M. Tolend, BSc, Institute of Medical Sciences, Faculty of Medicine, University of Toronto, and Department of Diagnostic Imaging, The Hospital for Sick Children, and Department of Translational Medicine, SickKids Research Institute, Peter Gilgan Center for Research and Learning; M. Perez, MD, Department of Diagnostic Imaging, The Hospital for Sick Children; N. Tzaribachev, MD, Pediatric Rheumatology Research Institute; P. Sandhya, MD, Department of Clinical Immunology and Rheumatology, Christian Medical College; S. Tse, MD, FRCPC, Division of Rheumatology, The Hospital for Sick Children, University of Toronto; A. Simone, MD, PhD, State University of Campina-UNICAMP, Department of Internal Medicine, Cidade Universitaria; V.G. Swami, MD, BSc, Department of Medical Imaging, University of Toronto; Z. Touma, MD, PhD, FACP, FACR, Department of Rheumatology, Center for Prognosis Studies in Rheumatologic Diseases, Toronto Western Hospital; R. Lambert, MB BCh, FRCR, FRCPC, Department of Radiology and Diagnostic Imaging, University of Alberta; A.S. Doria, MD, PhD, MSc, Institute of Medical Sciences, Faculty of Medicine, University of Toronto, and Department of Diagnostic Imaging, The Hospital for Sick Children, and Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, and NIHR Leeds Biomedical Research Centre, Leeds Teaching Hospitals NHS Trust, and Department of Medical Imaging, University of Toronto. Address correspondence to Dr. A.S. Doria, Department of Diagnostic Imaging, The Hospital for Sick Children, 555 University Ave., Toronto, Ontario M5G 1X8, Canada. E-mail: andrea.doria@sickkids.ca Accepted for publication January 30, 2019.
Shirley Tse
From the Institute of Medical Sciences, Faculty of Medicine, University of Toronto; Department of Diagnostic Imaging, The Hospital for Sick Children; Department of Translational Medicine, SickKids Research Institute, Peter Gilgan Center for Research and Learning; Dalla Lana School of Public Health, University of Toronto; Division of Rheumatology, The Hospital for Sick Children, University of Toronto; Department of Medical Imaging, University of Toronto; Department of Rheumatology, Center for Prognosis Studies in Rheumatologic Diseases, Toronto Western Hospital, Toronto, Ontario; Department of Rheumatology, University of Alberta; Department of Radiology and Diagnostic Imaging, University of Alberta; Division of Pediatric Rheumatology, Department of Pediatrics, University of Alberta, Edmonton, Alberta, Canada; Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds; UK National Institute for Health Research (NIHR) Leeds Biomedical Research Centre, Leeds Teaching Hospitals National Health Service (NHS) Trust, Leeds, UK; Department of Rheumatology, Leiden University Medical Center, Leiden; Reade | Emma Children’s Hospital/Academic Medical Center, Amsterdam, the Netherlands; University of Pennsylvania Perelman School of Medicine, Division of Rheumatology, Children’s Hospital of Philadelphia and Departments of Pediatric and Epidemiology, Philadelphia, Pennsylvania; Department of Radiology, Nemours Children’s Hospital and Health System, Orlando, Florida, USA; Department of Radiology, National Institute of Geriatrics, Rheumatology and Rehabilitation, Warsaw, Poland; Department of Radiology and Medical Imaging, Ghent University Hospital, Ghent, Belgium; Department of Radiology, Hospital Sant Joan de Deu, Barcelona, Spain; Department of Radiology, Rikshospitalet, Oslo University Hospital, Oslo, Norway; Pediatric Rheumatology Research Institute, Bad Bramstedt, Germany; Department of Clinical Immunology and Rheumatology, Christian Medical College, Vellore, India; State University of Campina-UNICAMP, Department of Internal Medicine, Cidade Universitaria, Sao Paulo, Brazil. P.G. Conaghan is funded in part by the NIHR Leeds Biomedical Research Centre. The views expressed are those of the authors and not necessarily those of the NHS, the NIHR, or the UK Department of Health. T.M. Otobo, MD, MSc, BMedSc, Institute of Medical Sciences, Faculty of Medicine, University of Toronto, and Department of Diagnostic Imaging, The Hospital for Sick Children, and Department of Translational Medicine, SickKids Research Institute, Peter Gilgan Center for Research and Learning; P.G. Conaghan, PhD, MB BS, Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, and NIHR Leeds Biomedical Research Centre, Leeds Teaching Hospitals NHS Trust; W.P. Maksymowych, PhD, MB BS, FRACP, FRCP, Department of Rheumatology, University of Alberta; D. van der Heijde, MD, PhD, Department of Rheumatology, Leiden University Medical Center; P. Weiss, MD, MSCE, University of Pennsylvania Perelman School of Medicine, Division of Rheumatology, Children’s Hospital of Philadelphia and Departments of Pediatric and Epidemiology; I. Sudol-Szopinska, MD, PhD, Department of Radiology, National Institute of Geriatrics, Rheumatology and Rehabilitation; N. Herregods, MD, PhD, Department of Radiology and Medical Imaging, Ghent University Hospital; J.L. Jaremko, MD, PhD, FRCPC, Department of Radiology and Diagnostic Imaging, University of Alberta; A.B. Meyers, MD, Department of Radiology, Nemours Children’s Hospital and Health System; D. Rumsey, MD, FRCPC, Division of Pediatric Rheumatology, Department of Pediatrics, University of Alberta; E.C. Inarejos, MD, Department of Radiology, Hospital Sant Joan de Deu; E. Kirkhus, MD, PhD, Department of Radiology, Rikshospitalet, Oslo University Hospital; J. Stimec, MD, FRCPC, Department of Diagnostic Imaging, The Hospital for Sick Children; J. Panwar, MD, Department of Diagnostic Imaging, The Hospital for Sick Children; K. Thorpe, BMath, MMath, Dalla Lana School of Public Health, University of Toronto; L. Jans, MD, PhD, Department of Radiology and Medical Imaging, Ghent University Hospital; M.A. van Rossum, MD, PhD, Reade | Emma Children’s Hospital/Academic Medical Center; M. Tolend, BSc, Institute of Medical Sciences, Faculty of Medicine, University of Toronto, and Department of Diagnostic Imaging, The Hospital for Sick Children, and Department of Translational Medicine, SickKids Research Institute, Peter Gilgan Center for Research and Learning; M. Perez, MD, Department of Diagnostic Imaging, The Hospital for Sick Children; N. Tzaribachev, MD, Pediatric Rheumatology Research Institute; P. Sandhya, MD, Department of Clinical Immunology and Rheumatology, Christian Medical College; S. Tse, MD, FRCPC, Division of Rheumatology, The Hospital for Sick Children, University of Toronto; A. Simone, MD, PhD, State University of Campina-UNICAMP, Department of Internal Medicine, Cidade Universitaria; V.G. Swami, MD, BSc, Department of Medical Imaging, University of Toronto; Z. Touma, MD, PhD, FACP, FACR, Department of Rheumatology, Center for Prognosis Studies in Rheumatologic Diseases, Toronto Western Hospital; R. Lambert, MB BCh, FRCR, FRCPC, Department of Radiology and Diagnostic Imaging, University of Alberta; A.S. Doria, MD, PhD, MSc, Institute of Medical Sciences, Faculty of Medicine, University of Toronto, and Department of Diagnostic Imaging, The Hospital for Sick Children, and Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, and NIHR Leeds Biomedical Research Centre, Leeds Teaching Hospitals NHS Trust, and Department of Medical Imaging, University of Toronto. Address correspondence to Dr. A.S. Doria, Department of Diagnostic Imaging, The Hospital for Sick Children, 555 University Ave., Toronto, Ontario M5G 1X8, Canada. E-mail: andrea.doria@sickkids.ca Accepted for publication January 30, 2019.
Simone Appenzeller
From the Institute of Medical Sciences, Faculty of Medicine, University of Toronto; Department of Diagnostic Imaging, The Hospital for Sick Children; Department of Translational Medicine, SickKids Research Institute, Peter Gilgan Center for Research and Learning; Dalla Lana School of Public Health, University of Toronto; Division of Rheumatology, The Hospital for Sick Children, University of Toronto; Department of Medical Imaging, University of Toronto; Department of Rheumatology, Center for Prognosis Studies in Rheumatologic Diseases, Toronto Western Hospital, Toronto, Ontario; Department of Rheumatology, University of Alberta; Department of Radiology and Diagnostic Imaging, University of Alberta; Division of Pediatric Rheumatology, Department of Pediatrics, University of Alberta, Edmonton, Alberta, Canada; Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds; UK National Institute for Health Research (NIHR) Leeds Biomedical Research Centre, Leeds Teaching Hospitals National Health Service (NHS) Trust, Leeds, UK; Department of Rheumatology, Leiden University Medical Center, Leiden; Reade | Emma Children’s Hospital/Academic Medical Center, Amsterdam, the Netherlands; University of Pennsylvania Perelman School of Medicine, Division of Rheumatology, Children’s Hospital of Philadelphia and Departments of Pediatric and Epidemiology, Philadelphia, Pennsylvania; Department of Radiology, Nemours Children’s Hospital and Health System, Orlando, Florida, USA; Department of Radiology, National Institute of Geriatrics, Rheumatology and Rehabilitation, Warsaw, Poland; Department of Radiology and Medical Imaging, Ghent University Hospital, Ghent, Belgium; Department of Radiology, Hospital Sant Joan de Deu, Barcelona, Spain; Department of Radiology, Rikshospitalet, Oslo University Hospital, Oslo, Norway; Pediatric Rheumatology Research Institute, Bad Bramstedt, Germany; Department of Clinical Immunology and Rheumatology, Christian Medical College, Vellore, India; State University of Campina-UNICAMP, Department of Internal Medicine, Cidade Universitaria, Sao Paulo, Brazil. P.G. Conaghan is funded in part by the NIHR Leeds Biomedical Research Centre. The views expressed are those of the authors and not necessarily those of the NHS, the NIHR, or the UK Department of Health. T.M. Otobo, MD, MSc, BMedSc, Institute of Medical Sciences, Faculty of Medicine, University of Toronto, and Department of Diagnostic Imaging, The Hospital for Sick Children, and Department of Translational Medicine, SickKids Research Institute, Peter Gilgan Center for Research and Learning; P.G. Conaghan, PhD, MB BS, Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, and NIHR Leeds Biomedical Research Centre, Leeds Teaching Hospitals NHS Trust; W.P. Maksymowych, PhD, MB BS, FRACP, FRCP, Department of Rheumatology, University of Alberta; D. van der Heijde, MD, PhD, Department of Rheumatology, Leiden University Medical Center; P. Weiss, MD, MSCE, University of Pennsylvania Perelman School of Medicine, Division of Rheumatology, Children’s Hospital of Philadelphia and Departments of Pediatric and Epidemiology; I. Sudol-Szopinska, MD, PhD, Department of Radiology, National Institute of Geriatrics, Rheumatology and Rehabilitation; N. Herregods, MD, PhD, Department of Radiology and Medical Imaging, Ghent University Hospital; J.L. Jaremko, MD, PhD, FRCPC, Department of Radiology and Diagnostic Imaging, University of Alberta; A.B. Meyers, MD, Department of Radiology, Nemours Children’s Hospital and Health System; D. Rumsey, MD, FRCPC, Division of Pediatric Rheumatology, Department of Pediatrics, University of Alberta; E.C. Inarejos, MD, Department of Radiology, Hospital Sant Joan de Deu; E. Kirkhus, MD, PhD, Department of Radiology, Rikshospitalet, Oslo University Hospital; J. Stimec, MD, FRCPC, Department of Diagnostic Imaging, The Hospital for Sick Children; J. Panwar, MD, Department of Diagnostic Imaging, The Hospital for Sick Children; K. Thorpe, BMath, MMath, Dalla Lana School of Public Health, University of Toronto; L. Jans, MD, PhD, Department of Radiology and Medical Imaging, Ghent University Hospital; M.A. van Rossum, MD, PhD, Reade | Emma Children’s Hospital/Academic Medical Center; M. Tolend, BSc, Institute of Medical Sciences, Faculty of Medicine, University of Toronto, and Department of Diagnostic Imaging, The Hospital for Sick Children, and Department of Translational Medicine, SickKids Research Institute, Peter Gilgan Center for Research and Learning; M. Perez, MD, Department of Diagnostic Imaging, The Hospital for Sick Children; N. Tzaribachev, MD, Pediatric Rheumatology Research Institute; P. Sandhya, MD, Department of Clinical Immunology and Rheumatology, Christian Medical College; S. Tse, MD, FRCPC, Division of Rheumatology, The Hospital for Sick Children, University of Toronto; A. Simone, MD, PhD, State University of Campina-UNICAMP, Department of Internal Medicine, Cidade Universitaria; V.G. Swami, MD, BSc, Department of Medical Imaging, University of Toronto; Z. Touma, MD, PhD, FACP, FACR, Department of Rheumatology, Center for Prognosis Studies in Rheumatologic Diseases, Toronto Western Hospital; R. Lambert, MB BCh, FRCR, FRCPC, Department of Radiology and Diagnostic Imaging, University of Alberta; A.S. Doria, MD, PhD, MSc, Institute of Medical Sciences, Faculty of Medicine, University of Toronto, and Department of Diagnostic Imaging, The Hospital for Sick Children, and Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, and NIHR Leeds Biomedical Research Centre, Leeds Teaching Hospitals NHS Trust, and Department of Medical Imaging, University of Toronto. Address correspondence to Dr. A.S. Doria, Department of Diagnostic Imaging, The Hospital for Sick Children, 555 University Ave., Toronto, Ontario M5G 1X8, Canada. E-mail: andrea.doria@sickkids.ca Accepted for publication January 30, 2019.
Vimarsha G. Swami
From the Institute of Medical Sciences, Faculty of Medicine, University of Toronto; Department of Diagnostic Imaging, The Hospital for Sick Children; Department of Translational Medicine, SickKids Research Institute, Peter Gilgan Center for Research and Learning; Dalla Lana School of Public Health, University of Toronto; Division of Rheumatology, The Hospital for Sick Children, University of Toronto; Department of Medical Imaging, University of Toronto; Department of Rheumatology, Center for Prognosis Studies in Rheumatologic Diseases, Toronto Western Hospital, Toronto, Ontario; Department of Rheumatology, University of Alberta; Department of Radiology and Diagnostic Imaging, University of Alberta; Division of Pediatric Rheumatology, Department of Pediatrics, University of Alberta, Edmonton, Alberta, Canada; Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds; UK National Institute for Health Research (NIHR) Leeds Biomedical Research Centre, Leeds Teaching Hospitals National Health Service (NHS) Trust, Leeds, UK; Department of Rheumatology, Leiden University Medical Center, Leiden; Reade | Emma Children’s Hospital/Academic Medical Center, Amsterdam, the Netherlands; University of Pennsylvania Perelman School of Medicine, Division of Rheumatology, Children’s Hospital of Philadelphia and Departments of Pediatric and Epidemiology, Philadelphia, Pennsylvania; Department of Radiology, Nemours Children’s Hospital and Health System, Orlando, Florida, USA; Department of Radiology, National Institute of Geriatrics, Rheumatology and Rehabilitation, Warsaw, Poland; Department of Radiology and Medical Imaging, Ghent University Hospital, Ghent, Belgium; Department of Radiology, Hospital Sant Joan de Deu, Barcelona, Spain; Department of Radiology, Rikshospitalet, Oslo University Hospital, Oslo, Norway; Pediatric Rheumatology Research Institute, Bad Bramstedt, Germany; Department of Clinical Immunology and Rheumatology, Christian Medical College, Vellore, India; State University of Campina-UNICAMP, Department of Internal Medicine, Cidade Universitaria, Sao Paulo, Brazil. P.G. Conaghan is funded in part by the NIHR Leeds Biomedical Research Centre. The views expressed are those of the authors and not necessarily those of the NHS, the NIHR, or the UK Department of Health. T.M. Otobo, MD, MSc, BMedSc, Institute of Medical Sciences, Faculty of Medicine, University of Toronto, and Department of Diagnostic Imaging, The Hospital for Sick Children, and Department of Translational Medicine, SickKids Research Institute, Peter Gilgan Center for Research and Learning; P.G. Conaghan, PhD, MB BS, Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, and NIHR Leeds Biomedical Research Centre, Leeds Teaching Hospitals NHS Trust; W.P. Maksymowych, PhD, MB BS, FRACP, FRCP, Department of Rheumatology, University of Alberta; D. van der Heijde, MD, PhD, Department of Rheumatology, Leiden University Medical Center; P. Weiss, MD, MSCE, University of Pennsylvania Perelman School of Medicine, Division of Rheumatology, Children’s Hospital of Philadelphia and Departments of Pediatric and Epidemiology; I. Sudol-Szopinska, MD, PhD, Department of Radiology, National Institute of Geriatrics, Rheumatology and Rehabilitation; N. Herregods, MD, PhD, Department of Radiology and Medical Imaging, Ghent University Hospital; J.L. Jaremko, MD, PhD, FRCPC, Department of Radiology and Diagnostic Imaging, University of Alberta; A.B. Meyers, MD, Department of Radiology, Nemours Children’s Hospital and Health System; D. Rumsey, MD, FRCPC, Division of Pediatric Rheumatology, Department of Pediatrics, University of Alberta; E.C. Inarejos, MD, Department of Radiology, Hospital Sant Joan de Deu; E. Kirkhus, MD, PhD, Department of Radiology, Rikshospitalet, Oslo University Hospital; J. Stimec, MD, FRCPC, Department of Diagnostic Imaging, The Hospital for Sick Children; J. Panwar, MD, Department of Diagnostic Imaging, The Hospital for Sick Children; K. Thorpe, BMath, MMath, Dalla Lana School of Public Health, University of Toronto; L. Jans, MD, PhD, Department of Radiology and Medical Imaging, Ghent University Hospital; M.A. van Rossum, MD, PhD, Reade | Emma Children’s Hospital/Academic Medical Center; M. Tolend, BSc, Institute of Medical Sciences, Faculty of Medicine, University of Toronto, and Department of Diagnostic Imaging, The Hospital for Sick Children, and Department of Translational Medicine, SickKids Research Institute, Peter Gilgan Center for Research and Learning; M. Perez, MD, Department of Diagnostic Imaging, The Hospital for Sick Children; N. Tzaribachev, MD, Pediatric Rheumatology Research Institute; P. Sandhya, MD, Department of Clinical Immunology and Rheumatology, Christian Medical College; S. Tse, MD, FRCPC, Division of Rheumatology, The Hospital for Sick Children, University of Toronto; A. Simone, MD, PhD, State University of Campina-UNICAMP, Department of Internal Medicine, Cidade Universitaria; V.G. Swami, MD, BSc, Department of Medical Imaging, University of Toronto; Z. Touma, MD, PhD, FACP, FACR, Department of Rheumatology, Center for Prognosis Studies in Rheumatologic Diseases, Toronto Western Hospital; R. Lambert, MB BCh, FRCR, FRCPC, Department of Radiology and Diagnostic Imaging, University of Alberta; A.S. Doria, MD, PhD, MSc, Institute of Medical Sciences, Faculty of Medicine, University of Toronto, and Department of Diagnostic Imaging, The Hospital for Sick Children, and Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, and NIHR Leeds Biomedical Research Centre, Leeds Teaching Hospitals NHS Trust, and Department of Medical Imaging, University of Toronto. Address correspondence to Dr. A.S. Doria, Department of Diagnostic Imaging, The Hospital for Sick Children, 555 University Ave., Toronto, Ontario M5G 1X8, Canada. E-mail: andrea.doria@sickkids.ca Accepted for publication January 30, 2019.
Zahi Touma
From the Institute of Medical Sciences, Faculty of Medicine, University of Toronto; Department of Diagnostic Imaging, The Hospital for Sick Children; Department of Translational Medicine, SickKids Research Institute, Peter Gilgan Center for Research and Learning; Dalla Lana School of Public Health, University of Toronto; Division of Rheumatology, The Hospital for Sick Children, University of Toronto; Department of Medical Imaging, University of Toronto; Department of Rheumatology, Center for Prognosis Studies in Rheumatologic Diseases, Toronto Western Hospital, Toronto, Ontario; Department of Rheumatology, University of Alberta; Department of Radiology and Diagnostic Imaging, University of Alberta; Division of Pediatric Rheumatology, Department of Pediatrics, University of Alberta, Edmonton, Alberta, Canada; Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds; UK National Institute for Health Research (NIHR) Leeds Biomedical Research Centre, Leeds Teaching Hospitals National Health Service (NHS) Trust, Leeds, UK; Department of Rheumatology, Leiden University Medical Center, Leiden; Reade | Emma Children’s Hospital/Academic Medical Center, Amsterdam, the Netherlands; University of Pennsylvania Perelman School of Medicine, Division of Rheumatology, Children’s Hospital of Philadelphia and Departments of Pediatric and Epidemiology, Philadelphia, Pennsylvania; Department of Radiology, Nemours Children’s Hospital and Health System, Orlando, Florida, USA; Department of Radiology, National Institute of Geriatrics, Rheumatology and Rehabilitation, Warsaw, Poland; Department of Radiology and Medical Imaging, Ghent University Hospital, Ghent, Belgium; Department of Radiology, Hospital Sant Joan de Deu, Barcelona, Spain; Department of Radiology, Rikshospitalet, Oslo University Hospital, Oslo, Norway; Pediatric Rheumatology Research Institute, Bad Bramstedt, Germany; Department of Clinical Immunology and Rheumatology, Christian Medical College, Vellore, India; State University of Campina-UNICAMP, Department of Internal Medicine, Cidade Universitaria, Sao Paulo, Brazil. P.G. Conaghan is funded in part by the NIHR Leeds Biomedical Research Centre. The views expressed are those of the authors and not necessarily those of the NHS, the NIHR, or the UK Department of Health. T.M. Otobo, MD, MSc, BMedSc, Institute of Medical Sciences, Faculty of Medicine, University of Toronto, and Department of Diagnostic Imaging, The Hospital for Sick Children, and Department of Translational Medicine, SickKids Research Institute, Peter Gilgan Center for Research and Learning; P.G. Conaghan, PhD, MB BS, Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, and NIHR Leeds Biomedical Research Centre, Leeds Teaching Hospitals NHS Trust; W.P. Maksymowych, PhD, MB BS, FRACP, FRCP, Department of Rheumatology, University of Alberta; D. van der Heijde, MD, PhD, Department of Rheumatology, Leiden University Medical Center; P. Weiss, MD, MSCE, University of Pennsylvania Perelman School of Medicine, Division of Rheumatology, Children’s Hospital of Philadelphia and Departments of Pediatric and Epidemiology; I. Sudol-Szopinska, MD, PhD, Department of Radiology, National Institute of Geriatrics, Rheumatology and Rehabilitation; N. Herregods, MD, PhD, Department of Radiology and Medical Imaging, Ghent University Hospital; J.L. Jaremko, MD, PhD, FRCPC, Department of Radiology and Diagnostic Imaging, University of Alberta; A.B. Meyers, MD, Department of Radiology, Nemours Children’s Hospital and Health System; D. Rumsey, MD, FRCPC, Division of Pediatric Rheumatology, Department of Pediatrics, University of Alberta; E.C. Inarejos, MD, Department of Radiology, Hospital Sant Joan de Deu; E. Kirkhus, MD, PhD, Department of Radiology, Rikshospitalet, Oslo University Hospital; J. Stimec, MD, FRCPC, Department of Diagnostic Imaging, The Hospital for Sick Children; J. Panwar, MD, Department of Diagnostic Imaging, The Hospital for Sick Children; K. Thorpe, BMath, MMath, Dalla Lana School of Public Health, University of Toronto; L. Jans, MD, PhD, Department of Radiology and Medical Imaging, Ghent University Hospital; M.A. van Rossum, MD, PhD, Reade | Emma Children’s Hospital/Academic Medical Center; M. Tolend, BSc, Institute of Medical Sciences, Faculty of Medicine, University of Toronto, and Department of Diagnostic Imaging, The Hospital for Sick Children, and Department of Translational Medicine, SickKids Research Institute, Peter Gilgan Center for Research and Learning; M. Perez, MD, Department of Diagnostic Imaging, The Hospital for Sick Children; N. Tzaribachev, MD, Pediatric Rheumatology Research Institute; P. Sandhya, MD, Department of Clinical Immunology and Rheumatology, Christian Medical College; S. Tse, MD, FRCPC, Division of Rheumatology, The Hospital for Sick Children, University of Toronto; A. Simone, MD, PhD, State University of Campina-UNICAMP, Department of Internal Medicine, Cidade Universitaria; V.G. Swami, MD, BSc, Department of Medical Imaging, University of Toronto; Z. Touma, MD, PhD, FACP, FACR, Department of Rheumatology, Center for Prognosis Studies in Rheumatologic Diseases, Toronto Western Hospital; R. Lambert, MB BCh, FRCR, FRCPC, Department of Radiology and Diagnostic Imaging, University of Alberta; A.S. Doria, MD, PhD, MSc, Institute of Medical Sciences, Faculty of Medicine, University of Toronto, and Department of Diagnostic Imaging, The Hospital for Sick Children, and Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, and NIHR Leeds Biomedical Research Centre, Leeds Teaching Hospitals NHS Trust, and Department of Medical Imaging, University of Toronto. Address correspondence to Dr. A.S. Doria, Department of Diagnostic Imaging, The Hospital for Sick Children, 555 University Ave., Toronto, Ontario M5G 1X8, Canada. E-mail: andrea.doria@sickkids.ca Accepted for publication January 30, 2019.
Robert Lambert
From the Institute of Medical Sciences, Faculty of Medicine, University of Toronto; Department of Diagnostic Imaging, The Hospital for Sick Children; Department of Translational Medicine, SickKids Research Institute, Peter Gilgan Center for Research and Learning; Dalla Lana School of Public Health, University of Toronto; Division of Rheumatology, The Hospital for Sick Children, University of Toronto; Department of Medical Imaging, University of Toronto; Department of Rheumatology, Center for Prognosis Studies in Rheumatologic Diseases, Toronto Western Hospital, Toronto, Ontario; Department of Rheumatology, University of Alberta; Department of Radiology and Diagnostic Imaging, University of Alberta; Division of Pediatric Rheumatology, Department of Pediatrics, University of Alberta, Edmonton, Alberta, Canada; Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds; UK National Institute for Health Research (NIHR) Leeds Biomedical Research Centre, Leeds Teaching Hospitals National Health Service (NHS) Trust, Leeds, UK; Department of Rheumatology, Leiden University Medical Center, Leiden; Reade | Emma Children’s Hospital/Academic Medical Center, Amsterdam, the Netherlands; University of Pennsylvania Perelman School of Medicine, Division of Rheumatology, Children’s Hospital of Philadelphia and Departments of Pediatric and Epidemiology, Philadelphia, Pennsylvania; Department of Radiology, Nemours Children’s Hospital and Health System, Orlando, Florida, USA; Department of Radiology, National Institute of Geriatrics, Rheumatology and Rehabilitation, Warsaw, Poland; Department of Radiology and Medical Imaging, Ghent University Hospital, Ghent, Belgium; Department of Radiology, Hospital Sant Joan de Deu, Barcelona, Spain; Department of Radiology, Rikshospitalet, Oslo University Hospital, Oslo, Norway; Pediatric Rheumatology Research Institute, Bad Bramstedt, Germany; Department of Clinical Immunology and Rheumatology, Christian Medical College, Vellore, India; State University of Campina-UNICAMP, Department of Internal Medicine, Cidade Universitaria, Sao Paulo, Brazil. P.G. Conaghan is funded in part by the NIHR Leeds Biomedical Research Centre. The views expressed are those of the authors and not necessarily those of the NHS, the NIHR, or the UK Department of Health. T.M. Otobo, MD, MSc, BMedSc, Institute of Medical Sciences, Faculty of Medicine, University of Toronto, and Department of Diagnostic Imaging, The Hospital for Sick Children, and Department of Translational Medicine, SickKids Research Institute, Peter Gilgan Center for Research and Learning; P.G. Conaghan, PhD, MB BS, Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, and NIHR Leeds Biomedical Research Centre, Leeds Teaching Hospitals NHS Trust; W.P. Maksymowych, PhD, MB BS, FRACP, FRCP, Department of Rheumatology, University of Alberta; D. van der Heijde, MD, PhD, Department of Rheumatology, Leiden University Medical Center; P. Weiss, MD, MSCE, University of Pennsylvania Perelman School of Medicine, Division of Rheumatology, Children’s Hospital of Philadelphia and Departments of Pediatric and Epidemiology; I. Sudol-Szopinska, MD, PhD, Department of Radiology, National Institute of Geriatrics, Rheumatology and Rehabilitation; N. Herregods, MD, PhD, Department of Radiology and Medical Imaging, Ghent University Hospital; J.L. Jaremko, MD, PhD, FRCPC, Department of Radiology and Diagnostic Imaging, University of Alberta; A.B. Meyers, MD, Department of Radiology, Nemours Children’s Hospital and Health System; D. Rumsey, MD, FRCPC, Division of Pediatric Rheumatology, Department of Pediatrics, University of Alberta; E.C. Inarejos, MD, Department of Radiology, Hospital Sant Joan de Deu; E. Kirkhus, MD, PhD, Department of Radiology, Rikshospitalet, Oslo University Hospital; J. Stimec, MD, FRCPC, Department of Diagnostic Imaging, The Hospital for Sick Children; J. Panwar, MD, Department of Diagnostic Imaging, The Hospital for Sick Children; K. Thorpe, BMath, MMath, Dalla Lana School of Public Health, University of Toronto; L. Jans, MD, PhD, Department of Radiology and Medical Imaging, Ghent University Hospital; M.A. van Rossum, MD, PhD, Reade | Emma Children’s Hospital/Academic Medical Center; M. Tolend, BSc, Institute of Medical Sciences, Faculty of Medicine, University of Toronto, and Department of Diagnostic Imaging, The Hospital for Sick Children, and Department of Translational Medicine, SickKids Research Institute, Peter Gilgan Center for Research and Learning; M. Perez, MD, Department of Diagnostic Imaging, The Hospital for Sick Children; N. Tzaribachev, MD, Pediatric Rheumatology Research Institute; P. Sandhya, MD, Department of Clinical Immunology and Rheumatology, Christian Medical College; S. Tse, MD, FRCPC, Division of Rheumatology, The Hospital for Sick Children, University of Toronto; A. Simone, MD, PhD, State University of Campina-UNICAMP, Department of Internal Medicine, Cidade Universitaria; V.G. Swami, MD, BSc, Department of Medical Imaging, University of Toronto; Z. Touma, MD, PhD, FACP, FACR, Department of Rheumatology, Center for Prognosis Studies in Rheumatologic Diseases, Toronto Western Hospital; R. Lambert, MB BCh, FRCR, FRCPC, Department of Radiology and Diagnostic Imaging, University of Alberta; A.S. Doria, MD, PhD, MSc, Institute of Medical Sciences, Faculty of Medicine, University of Toronto, and Department of Diagnostic Imaging, The Hospital for Sick Children, and Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, and NIHR Leeds Biomedical Research Centre, Leeds Teaching Hospitals NHS Trust, and Department of Medical Imaging, University of Toronto. Address correspondence to Dr. A.S. Doria, Department of Diagnostic Imaging, The Hospital for Sick Children, 555 University Ave., Toronto, Ontario M5G 1X8, Canada. E-mail: andrea.doria@sickkids.ca Accepted for publication January 30, 2019.
Andrea S. Doria
From the Institute of Medical Sciences, Faculty of Medicine, University of Toronto; Department of Diagnostic Imaging, The Hospital for Sick Children; Department of Translational Medicine, SickKids Research Institute, Peter Gilgan Center for Research and Learning; Dalla Lana School of Public Health, University of Toronto; Division of Rheumatology, The Hospital for Sick Children, University of Toronto; Department of Medical Imaging, University of Toronto; Department of Rheumatology, Center for Prognosis Studies in Rheumatologic Diseases, Toronto Western Hospital, Toronto, Ontario; Department of Rheumatology, University of Alberta; Department of Radiology and Diagnostic Imaging, University of Alberta; Division of Pediatric Rheumatology, Department of Pediatrics, University of Alberta, Edmonton, Alberta, Canada; Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds; UK National Institute for Health Research (NIHR) Leeds Biomedical Research Centre, Leeds Teaching Hospitals National Health Service (NHS) Trust, Leeds, UK; Department of Rheumatology, Leiden University Medical Center, Leiden; Reade | Emma Children’s Hospital/Academic Medical Center, Amsterdam, the Netherlands; University of Pennsylvania Perelman School of Medicine, Division of Rheumatology, Children’s Hospital of Philadelphia and Departments of Pediatric and Epidemiology, Philadelphia, Pennsylvania; Department of Radiology, Nemours Children’s Hospital and Health System, Orlando, Florida, USA; Department of Radiology, National Institute of Geriatrics, Rheumatology and Rehabilitation, Warsaw, Poland; Department of Radiology and Medical Imaging, Ghent University Hospital, Ghent, Belgium; Department of Radiology, Hospital Sant Joan de Deu, Barcelona, Spain; Department of Radiology, Rikshospitalet, Oslo University Hospital, Oslo, Norway; Pediatric Rheumatology Research Institute, Bad Bramstedt, Germany; Department of Clinical Immunology and Rheumatology, Christian Medical College, Vellore, India; State University of Campina-UNICAMP, Department of Internal Medicine, Cidade Universitaria, Sao Paulo, Brazil. P.G. Conaghan is funded in part by the NIHR Leeds Biomedical Research Centre. The views expressed are those of the authors and not necessarily those of the NHS, the NIHR, or the UK Department of Health. T.M. Otobo, MD, MSc, BMedSc, Institute of Medical Sciences, Faculty of Medicine, University of Toronto, and Department of Diagnostic Imaging, The Hospital for Sick Children, and Department of Translational Medicine, SickKids Research Institute, Peter Gilgan Center for Research and Learning; P.G. Conaghan, PhD, MB BS, Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, and NIHR Leeds Biomedical Research Centre, Leeds Teaching Hospitals NHS Trust; W.P. Maksymowych, PhD, MB BS, FRACP, FRCP, Department of Rheumatology, University of Alberta; D. van der Heijde, MD, PhD, Department of Rheumatology, Leiden University Medical Center; P. Weiss, MD, MSCE, University of Pennsylvania Perelman School of Medicine, Division of Rheumatology, Children’s Hospital of Philadelphia and Departments of Pediatric and Epidemiology; I. Sudol-Szopinska, MD, PhD, Department of Radiology, National Institute of Geriatrics, Rheumatology and Rehabilitation; N. Herregods, MD, PhD, Department of Radiology and Medical Imaging, Ghent University Hospital; J.L. Jaremko, MD, PhD, FRCPC, Department of Radiology and Diagnostic Imaging, University of Alberta; A.B. Meyers, MD, Department of Radiology, Nemours Children’s Hospital and Health System; D. Rumsey, MD, FRCPC, Division of Pediatric Rheumatology, Department of Pediatrics, University of Alberta; E.C. Inarejos, MD, Department of Radiology, Hospital Sant Joan de Deu; E. Kirkhus, MD, PhD, Department of Radiology, Rikshospitalet, Oslo University Hospital; J. Stimec, MD, FRCPC, Department of Diagnostic Imaging, The Hospital for Sick Children; J. Panwar, MD, Department of Diagnostic Imaging, The Hospital for Sick Children; K. Thorpe, BMath, MMath, Dalla Lana School of Public Health, University of Toronto; L. Jans, MD, PhD, Department of Radiology and Medical Imaging, Ghent University Hospital; M.A. van Rossum, MD, PhD, Reade | Emma Children’s Hospital/Academic Medical Center; M. Tolend, BSc, Institute of Medical Sciences, Faculty of Medicine, University of Toronto, and Department of Diagnostic Imaging, The Hospital for Sick Children, and Department of Translational Medicine, SickKids Research Institute, Peter Gilgan Center for Research and Learning; M. Perez, MD, Department of Diagnostic Imaging, The Hospital for Sick Children; N. Tzaribachev, MD, Pediatric Rheumatology Research Institute; P. Sandhya, MD, Department of Clinical Immunology and Rheumatology, Christian Medical College; S. Tse, MD, FRCPC, Division of Rheumatology, The Hospital for Sick Children, University of Toronto; A. Simone, MD, PhD, State University of Campina-UNICAMP, Department of Internal Medicine, Cidade Universitaria; V.G. Swami, MD, BSc, Department of Medical Imaging, University of Toronto; Z. Touma, MD, PhD, FACP, FACR, Department of Rheumatology, Center for Prognosis Studies in Rheumatologic Diseases, Toronto Western Hospital; R. Lambert, MB BCh, FRCR, FRCPC, Department of Radiology and Diagnostic Imaging, University of Alberta; A.S. Doria, MD, PhD, MSc, Institute of Medical Sciences, Faculty of Medicine, University of Toronto, and Department of Diagnostic Imaging, The Hospital for Sick Children, and Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, and NIHR Leeds Biomedical Research Centre, Leeds Teaching Hospitals NHS Trust, and Department of Medical Imaging, University of Toronto. Address correspondence to Dr. A.S. Doria, Department of Diagnostic Imaging, The Hospital for Sick Children, 555 University Ave., Toronto, Ontario M5G 1X8, Canada. E-mail: andrea.doria@sickkids.ca Accepted for publication January 30, 2019.
Published eLetters
eLetters are comments published online only and are not peer-reviewed. Publication of eLetter submissions is not guaranteed, and all submissions are reviewed and edited at the discretion of The Journal's staff.
If you wish to publish Letters to the Editor or Correspondence, please submit through our online submission system ScholarOne Manuscripts.
Jump to comment:
No eLetters have been published for this article.
In this issue
The Journal of Rheumatology
Vol. 51, Issue 4
1 Apr 2024
Preliminary Definitions for Sacroiliac Joint Pathologies in the OMERACT Juvenile Idiopathic Arthritis Magnetic Resonance Imaging Score (OMERACT JAMRIS-SIJ)
Tarimobo M. Otobo, Philip G. Conaghan, Walter P. Maksymowych, Desiree van der Heijde, Pamela Weiss, Iwona Sudol-Szopinska, Nele Herregods, Jacob L. Jaremko, Arthur B. Meyers, Dax Rumsey, Emilio C. Inarejos, Eva Kirkhus, Jennifer Stimec, Jyoti Panwar, Kevin Thorpe, Lennart Jans, M.A. van Rossum, Mirkamal Tolend, Manuela Perez, Nikolay Tzaribachev, Pulukool Sandhya, Shirley Tse, Simone Appenzeller, Vimarsha G. Swami, Zahi Touma, Robert Lambert, Andrea S. Doria
The Journal of Rheumatology Feb 2019, jrheum.181115; DOI: 10.3899/jrheum.181115
Preliminary Definitions for Sacroiliac Joint Pathologies in the OMERACT Juvenile Idiopathic Arthritis Magnetic Resonance Imaging Score (OMERACT JAMRIS-SIJ)
Tarimobo M. Otobo, Philip G. Conaghan, Walter P. Maksymowych, Desiree van der Heijde, Pamela Weiss, Iwona Sudol-Szopinska, Nele Herregods, Jacob L. Jaremko, Arthur B. Meyers, Dax Rumsey, Emilio C. Inarejos, Eva Kirkhus, Jennifer Stimec, Jyoti Panwar, Kevin Thorpe, Lennart Jans, M.A. van Rossum, Mirkamal Tolend, Manuela Perez, Nikolay Tzaribachev, Pulukool Sandhya, Shirley Tse, Simone Appenzeller, Vimarsha G. Swami, Zahi Touma, Robert Lambert, Andrea S. Doria
The Journal of Rheumatology Feb 2019, jrheum.181115; DOI: 10.3899/jrheum.181115