Background Enthesitis-related arthritis (ERA) is a specific subtype of juvenile idiopathic
arthritis (JIA) defined according to the International League of Associations for Rheumatology (…

Objective To evaluate the precision and construct validity of pediatric Patient‐Reported
Outcomes Measurement Information System (PROMIS) instruments in a population of juvenile …

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iTunes , Google Play , or direct download . OBJECTIVE. Increasing reliance on MRI for the …

Background Published methods for quantification of magnetic resonance imaging (MRI)
evidence of inflammation in the sacroiliac joint lack validation in pediatric populations. We …

Background: Relatively little is known about the epidemiology of juvenile psoriatic arthritis (PsA),
including clinical features associated with the development of arthritis among children …

Objective. There is a critical need for measures to evaluate structural progression in the
pediatric sacroiliac joint (SIJ). We aimed to evaluate the construct validity and reliability of the …

Background We aimed to evaluate the diagnostic utility of pelvic radiographs versus magnetic
resonance imaging (MRI) of the sacroiliac joints in children with suspected sacroiliitis. …

Objective Radiography is still used worldwide for the detection of sacroiliitis in juvenile
spondyloarthritis (JSpA), despite its low sensitivity and reliability. We aimed to define unequivocal …

Background The SPARCC sacroiliac joint inflammation (SIS) and structural (SSS) scores
are reliable measures to quantify abnormalities in the pediatric sacroiliac joint. We aimed to …

Objective We aimed to determine quantitative sacroiliac (SI) joint magnetic resonance
imaging (MRI) cutoffs for active and structural lesions that will be incorporated as imaging …