Usual and unusual causes of pediatric gastric outlet obstruction

JP Otjen, RS Iyer, GS Phillips, MT Parisi - Pediatric Radiology, 2012 - Springer
Gastric outlet obstruction in children encompasses a spectrum of disorders that extends
beyond hypertrophic pyloric stenosis. Each condition can result in the clinical syndrome of …

Pediatric ovarian torsion: a pictorial review

AV Ngo, JP Otjen, MT Parisi, MR Ferguson, RK Otto… - Pediatric …, 2015 - Springer
Imaging is crucial in expediting the diagnosis and guiding definitive therapy in children with
ovarian torsion. This article reviews the multimodality spectrum of imaging findings in …

Pediatric magnet ingestions: the dark side of the force

JC Brown, JP Otjen, GT Drugas - The American Journal of Surgery, 2014 - Elsevier
Background Pediatric magnet ingestions are increasing. Commercial availability of rare-earth
magnets poses a serious health risk. This study defines incidence, characteristics, and …

Development of a scoring tool for chronic nonbacterial osteomyelitis magnetic resonance imaging and evaluation of its interrater reliability

…, RS Iyer, M McGuire, AV Ngo, JP Otjen… - The Journal of …, 2020 - jrheum.org
Objective. Serial magnetic resonance imaging (MRI) examinations are often needed in chronic
nonbacterial osteomyelitis (CNO) to determine the objective response to treatment. Our …

The Many Faces of Pediatric Chronic Recurrent Multifocal Osteomyelitis (CRMO): A Practical Location‐and Case‐Based Approach to Differentiate CRMO From Its …

…, Y Zhao, AV Ngo, JP Otjen… - Journal of Magnetic …, 2021 - Wiley Online Library
Chronic recurrent multifocal osteomyelitis (CRMO) is an autoinflammatory bone disease of
childhood and adolescence characterized by episodic bone pain. Diagnosis relies heavily on …

Ovarian torsion: developing a machine-learned algorithm for diagnosis

JP Otjen, AL Stanescu, AM Alessio, MT Parisi - Pediatric radiology, 2020 - Springer
Background Ovarian torsion is a common concern in girls presenting to emergency care
with pelvic or abdominal pain. The diagnosis is challenging to make accurately and quickly, …

Scurvy masquerading as juvenile idiopathic arthritis or vasculitis with elevated inflammatory markers: a case series

A Perkins, C Sontheimer, JP Otjen, S Shenoi - The Journal of Pediatrics, 2020 - Elsevier
Ten patients with scurvy were evaluated by rheumatology; we review their clinical, laboratory,
and dietary presentations. Eight patients had developmental delay or autism. All had …

Radionuclide imaging of infection and inflammation in children: a review

MT Parisi, JP Otjen, AL Stanescu, BL Shulkin - Seminars in Nuclear …, 2018 - Elsevier
With the exception of radiolabeled monoclonal antibodies, antibody fragments and
radiolabeled peptides which have seen little application in the pediatric population, the nuclear …

The current and future roles of artificial intelligence in pediatric radiology

JP Otjen, MM Moore, EK Romberg, FA Perez, RS Iyer - Pediatric radiology, 2022 - Springer
Artificial intelligence (AI) is a broad and complicated concept that has begun to affect many
areas of medicine, perhaps none so much as radiology. While pediatric radiology has been …

Imaging pediatric magnet ingestion with surgical-pathological correlation

JP Otjen, CA Rohrmann, RS Iyer - Pediatric radiology, 2013 - Springer
Foreign body ingestion is a common problem in the pediatric population and a frequent cause
for emergency room visits. Magnets are common household objects that when ingested …