Abstracts tagged "Pediatric rheumatology"

Abstract Number: 2155 • ACR Convergence 2025
A Novel TNFAIP3 Mutation Associated with Large Vessel Vasculitis: Expanding the Phenotypic Spectrum of A20 Haploinsufficiency
Sirada Panupattanapong¹, roshini Abraham², Urekha Karri³, Harry Lesmana¹ and Daniella Schwartz⁴, ¹Cleveland Clinic Foundation, Cleveland, OH, ²Nationwide Children's Hospital, Columbus, OH, ³School of public health, Pittsburgh, PA, ⁴University of Pittsburgh, Pittsburgh, PA
Background/Purpose: Loss-of-function pathogenic variants in TNFAIP3 lead to haploinsufficiency of A20 (HA20), a complex immune dysregulation disorder that can mimic Behcet’s disease, IBD, periodic fever…
Abstract Number: 2131 • ACR Convergence 2025
Transition from Juvenile Dermatomyositis to Spondyloarthritis: A Novel Overlapping Inflammatory Phenotype
Austen Grooms¹, Ioannis Karageorgiou², Kerry Mychaliska² and James Birmingham³, ¹William Beaumont University Hospital, Auburn Hills, MI, ²William Beaumont University Hospital, Royal Oak, MI, ³River City Rheumatology, Grand Rapids, MI
Background/Purpose: Juvenile Dermatomyositis (JDM) is a rare inflammatory disease primarily affecting muscle, skin, and vasculature. Characterized by muscle weakness, distinctive skin lesions, and autoantibodies, it…
Abstract Number: 1816 • ACR Convergence 2025
Single-Cell RNA-Transcriptomics of JDM Skin Identifies JDM-Associated Immune Cell Populations and Dysregulated Interferon Signaling in Immune and Endothelial Cells
Chioma Madubata¹, Jessica Neely², Christine Goudsmit³, Celine Berthier⁴, Zilan Zheng⁵, Sophia Matossian⁴, Jeffrey Dvergsten⁶, Andrew Heaton⁷, J. Michelle Kahlenberg⁴, Gabrielle Fragiadakis⁸ and Jessica Turnier⁹, ¹UCSF, SF, CA, ²UCSF, San Francisco, CA, ³University of Michigan, Ann Arbor, ⁴University of Michigan, Ann Arbor, MI, ⁵University of California, San Francisco, San Francisco, CA, ⁶Duke University Hospital, Hillsborough, NC, ⁷Cure JM Foundation, Anthony, FL, ⁸UCSF, San Francisco, ⁹University of Michigan, Saline, MI
Background/Purpose: Juvenile dermatomyositis (JDM) is the most common idiopathic inflammatory myopathy in children. JDM often presents with rash, and skin inflammation is more refractory to…
Abstract Number: 1673 • ACR Convergence 2025
Is Transient Synovitis of the Hip preclinical Juvenile SpA ? A follow-up study
Anirudh Bandu¹, Michal Cidon² and Michael Weisman³, ¹CHLA, Los Angeles, NJ, ²Children's Hospital of Los Angeles, Los Angeles, CA, ³Cedars-Sinai Medical Center, LOS ANGELES, CA
Background/Purpose: Transient synovitis (TS) of the hip is considered a common, self-limited condition in the pediatric population. However, recurrences can occur; these may signal an…
Abstract Number: 1294 • ACR Convergence 2025
Implementation of Pneumococcal Vaccination in Patients with Childhood-Onset Systemic Lupus Erythematous
Kristina Ciaglia¹ and Magan Fosso², ¹UT Southwestern, Children's Medical Center, and Scottish Rite for Children, Dallas, TX, ²UT Southwestern, Dallas, TX
Background/Purpose: Pneumococcal vaccination is critical in patients with childhood-onset systemic lupus erythematosus (cSLE) due to their immunocompromised status and increased susceptibility to serious infections. Despite…
Abstract Number: 1278 • ACR Convergence 2025
Differences in Patient and Provider Perception of Functional Status in Adolescents with Lupus
Emily Masi¹, Kimberly Rapoza², Tamar Rubinstein³, Kathy Kenney-Riley⁴ and Joyce Hui-Yuen⁵, ¹Cohen Children's Medical Center, North New Hyde Park, NY, ²Mercy College, Dobbs Ferry, NY, ³Albert Einstein College of Medicine, White Plains, NY, ⁴Mercy University, Dobbs Ferry, NY, ⁵North Shore LIJ Health System, Great Neck, NY
Background/Purpose: Patient and provider discordance can negatively impact medication adherence and disease outcomes in pediatric lupus. Functional status is known to greatly affect perception of…
Abstract Number: 0428 • ACR Convergence 2025
The OMERACT Juvenile Idiopathic Arthritis MRI Score for Active and Structural Lesions in the Sacroiliac Joints: Development and Validation in Two Longitudinal Cohorts
Walter P. Maksymowych¹, Michael Francavilla², Nele Herregods³, Robert G. W. Lambert⁴, Arthur Meyers⁵, Joel Paschke⁶, Jennifer Stimec⁷, Pamela Weiss⁸ and Dax Rumsey⁹, ¹Department of Medicine, University of Alberta, ⁵⁶⁸ Heritage Building, Edmonton, AB, Canada, ²Department of Pediatric Radiology, Children’s Hospital Philadelphia, Philadelphia, PA, ³Department of Pediatric Radiology, Ghent University Hospital, Ghent, Belgium, ⁴University of Alberta, Department of Radiology & Diagnostic Imaging, Edmonton, AB, Canada, ⁵Department of Radiology, Cincinnati Children’s Hospital Medical Center, Cincinnati, OH, ⁶CARE Arthritis Limited, Edmonton, AB, Canada, ⁷Department of Diagnostic Imaging, SickKids, University of Toronto, Toronto, Canada, ⁸Childrens Hospital of Philadelphia, Philadelphia, PA, ⁹Department of Pediatrics, University of Alberta, Edmonton, AB, Canada
Background/Purpose: The OMERACT Juvenile Idiopathic Arthritis MRI (JAMRIS) Working group has defined a spectrum of MRI lesions in the sacroiliac joint (SIJ) in youth with…
Abstract Number: 0402 • ACR Convergence 2025
Risk Factors for Anti-Adalimumab Antibody Development in Pediatric Patients Using Adalimumab for Rheumatic Disease and Associated Conditions
Dawn Gist¹, Andrea Ramirez¹, Jamie Lai², Duc Nguyen¹ and Kexin Guo¹, ¹Baylor College of Medicine, Houston, TX, ²Baylor College of Medicine, The Woodlands, TX
Background/Purpose: Adalimumab is a monoclonal antibody against TNF-α that is commonly used to treat JIA, hidradenitis suppurativa (HS), chronic uveitis, sarcoidosis, and chronic nonbacterial osteomyelitis…
Abstract Number: 0119 • ACR Convergence 2025
Thrombin Generation Assays Inform Hypercoagulability Mediated by Antiphospholipid Antibodies in Children with Systemic Lupus Erythematosus
Elizabeth Sloan¹, Blake Baay², Lynnette Walters², Paola Sparagana², Kristina Ciaglia¹, Simrat Morris¹, Julie Fuller¹, Lorien Nassi¹, Tracey Wright¹ and Ayesha Zia³, ¹UT Southwestern, Children's Medical Center, and Scottish Rite for Children, Dallas, TX, ²Scottish Rite for Children, Dallas, TX, ³UT Southwestern and Children's Medical Center, Dallas, TX
Background/Purpose: In pediatric systemic lupus erythematosus (SLE), antiphospholipid antibodies (aPL) are independent risk factors for thrombosis. However, data are limited on how aPL impact hypercoagulability.…
Abstract Number: 2537 • ACR Convergence 2025
Variation in Treatment Approaches in IgA-Vasculitis Among Pediatricians and Pediatric rheumatologists: A Cross-Sectional International Survey
Merav Heshin Bekenstein¹, Tali Elbaz², Yael Illous² and Barak Kandell³, ¹Tel Aviv Medical Center Israel, Binyamina, Tel Aviv, Israel, ²School of Medicine, Faculty of Medical and Health Sciences, Tel Aviv, Israel, ³The Academic College of Tel Aviv-Yafo, Tel Aviv, Israel
Background/Purpose: IgA Vasculitis (IgAV) is the most common small-vessel vasculitis in children. Although there is no evidence-based recommendations for treating IgAV, the European SHARE recommendations…
Abstract Number: 2154 • ACR Convergence 2025
Whole-Body MRI Findings in a Cohort of Children with Chronic Nonbacterial Osteomyelitis
Mara Rodriguez¹, Maurice Davenport Munoz², Kiery Braithwaite³, Lori Ponder⁴, Kelly Rouster-Stevens⁵, Solveig Argeseanu Cunningham⁶ and Sampath Prahalad⁷, ¹Emory University School of Medicine / Children's Healthcare of Atlanta, Atlanta, GA, ²Emory University School of Medicine, Pediatrics, Atlanta, ³Children's Healthcare of Atlanta, Atlanta, GA, ⁴Emory University, Atlanta, GA, ⁵Emory University/Children's Healthcare of Atlanta, Peachtree Corners, GA, ⁶Emory Rollins School of Public Health Department of Global Health, Atlanta, GA, ⁷Emory + Children's Pediatric Institute, Atlanta, GA
Background/Purpose: Chronic nonbacterial osteomyelitis (CNO) is an autoinflammatory bone disorder characterized by multifocal, sterile bone inflammation in childhood. Whole-body magnetic resonance imaging (WB-MRI) allows for…
Abstract Number: 2130 • ACR Convergence 2025
Systemic juvenile idiopathic arthritis- Fifteen-year experience from a tertiary centre at Bristol, United Kingdom
Ashwini Batchu Prithvi, Chaitra Govardhan, Bushra Aladaileh and Athimalaipet V Ramanan, Bristol Royal Hospital for Children, Bristol, United Kingdom
Background/Purpose: Systemic juvenile idiopathic arthritis (sJIA) is a chronic disease that results in significant morbidity and mortality in children1. Improved understanding of the pathophysiology of…
Abstract Number: 1815 • ACR Convergence 2025
New-Onset Juvenile Spondyloarthritis is Characterized by Bone Metabolism Disturbances with Biomarker Potential
Brittney Newby¹, Timothy Brandon¹, Pamela Weiss² and E. John Wherry³, ¹Children's Hospital of Philadelphia, Philadelphia, PA, ²Childrens Hospital of Philadelphia, Philadelphia, PA, ³University of Pennsylvania, Philadelphia, PA
Background/Purpose: Juvenile spondyloarthritis (JSpA) management is hindered by the lack of reliable biomarkers to predict which patients will develop progressive structural changes, such as erosions…
Abstract Number: 1672 • ACR Convergence 2025
Classification criteria, disease phenotypes and long-term outcomes of childhood Sjögren’s Disease into adulthood
Coziana Ciurtin¹, Ruby Gotch², Hannah Peckham¹, Robert Wilson², Muthana AlObaidi³ and Elizabeth C Jury¹, ¹University College London, London, United Kingdom, ²University College London Hospital NHS Trust, London, United Kingdom, ³Great Ormond Street Hospital, London, United Kingdom
Background/Purpose: Childhood Sjögren Disease (cSjD) is a rare clinical phenotype lacking research on long-term outcomes and impact on the quality of life of young people…
Abstract Number: 1293 • ACR Convergence 2025
Synovitis and periarticular soft tissues abnormalities in childhood-onset systemic lupus erythematosus: an ultrasonography study
Marianna Freire¹, Jean Paulo Veronese de Souza¹, Ana Renata Oliveira¹, Renata Kobayasi², Vitor Paula³, Clovis Artur Silva⁴ and Lucia Maria Campos⁵, ¹Pediatric Rheumatology Unit, Instituto da Criança e do Adolescente, Hospital das Clínicas HCFMUSP, São Paulo, Sao Paulo, Sao Paulo, Brazil, ²Centro de Desenvolvimento de Educação Médica do Hospital das Clínicas HCFMUSP, São Paulo, Sao Paulo, Sao Paulo, Brazil, ³Pediatric Radiology Unit, Instituto da Criança e do Adolescente, Hospital das Clínicas HCFMUSP, São Paulo, Sao Paulo, Sao Paulo, Brazil, ⁴University of São Paulo, São Paulo, São Paulo, Brazil, ⁵Instituto da Criança e do Adolescente, São Paulo, São Paulo, Brazil
Background/Purpose: Musculoskeletal (MSK) involvement occurs in up to 70% of childhood-onset systemic lupus erythematosus (cSLE). MSK ultrasound (US) has emerged as a tool with greater…

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