Abstract Number: 1292 • ACR Convergence 2025
Childhood-onset Behçet’s disease: HLA alleles role on diagnosis and treatment in a Latin American tertiary center
Background/Purpose: Behçet’s disease (BD) is a rare pediatric vasculitis with limited epidemiological data in Latin America centers, especially in children where initial symptoms can be…Abstract Number: 2702 • ACR Convergence 2025
Diagnostic Performance of Vascular Ultrasound in Giant Cell Arteritis – A Single Center Experience
Background/Purpose: Diagnostic approaches to giant cell arteritis (GCA) differ between the United States (U.S.) and Europe, with Europe favoring rheumatologist-performed ultrasound and the U.S. relying…Abstract Number: 1226 • ACR Convergence 2025
Preliminary Findings in the Validation of the Modified Pain and Symptom Assessment Tool in Juvenile Fibromyalgia Syndrome
Background/Purpose: Diagnosing juvenile fibromyalgia (JFM) in youth with chronic musculoskeletal (MSK) pain is challenging in the absence of a validated diagnostic tool. The Pain and…Abstract Number: 2535 • ACR Convergence 2025
Behçet’s syndrome: distinct features in 344 pediatric and adult patients in a non-endemic region
Background/Purpose: Behçet’s syndrome (BS) is a chronic inflammatory disorder characterized by a heterogeneous clinical presentation, occurring primarily in young adults and very rarely in children…Abstract Number: 1014 • ACR Convergence 2025
Factors Associated with Fibromyalgia Diagnosis amongst People Meeting Criteria: Results from UK Biobank
Background/Purpose: The diagnosis of fibromyalgia (FM) is challenging due to its reliance on patient-reported symptoms, the absence of definitive biomarkers, and numerous overlapping comorbidities. Discrepancies…Abstract Number: 2411 • ACR Convergence 2025
The 2019 EULAR/ACR and 2012 SLICC Classification Criteria for SLE Should Be Applied with Caution as Diagnostic Criteria
Background/Purpose: To assess the 2012 SLICC and 2019 EULAR/ACR classification criteria performance as diagnostic criteria in two cohorts of ANA-positive patients clinically suspected of having…Abstract Number: 0624 • ACR Convergence 2025
Polygenic risk of lupus is differentially associated with individual EHR-derived classification criteria
Background/Purpose: Systemic lupus erythematosus (SLE) is a heterogeneous autoimmune disease characterized by diverse clinical presentation, posing significant challenges in diagnosis and management. Reflecting this clinical…Abstract Number: 2136 • ACR Convergence 2025
Confirming The Validity Of The New EULAR/ACR Classification Criteria For Pediatric Chronic Nonbacterial Osteomyelitis
Background/Purpose: Chronic nonbacterial osteomyelitis (CNO) is a noninfectious autoinflammatory bone disease which remains a diagnosis of exclusion, as existing diagnostic criteria are not widely accepted.…Abstract Number: 0551 • ACR Convergence 2025
Enthesitis Beyond the Surface: Ultrasonographic Unmasking of Preclinical Psoriatic Arthritis in Cutaneous Psoriasis
Background/Purpose: Psoriatic arthritis (PsA) develops insidiously from psoriasis (PsO), with enthesitis representing a critical initial site of inflammation. Musculoskeletal ultrasonography (MSUS) enables the identification of…Abstract Number: 1974 • ACR Convergence 2025
Serial ferritin as a diagnostic surrogate marker in Hemophagocytic Lymphohistiocytosis (HLH), a retrospective single-center study
Background/Purpose: Hemophagocytic lymphohistiocytosis (HLH) is an immune-mediated disorder characterized by cytokine dysregulation, resulting in multi-organ involvement and high mortality. (1-2) There is a time lag…Abstract Number: 0837 • ACR Convergence 2025
Risk of New Proteinuria in Next Ten Years in SLE
Background/Purpose: The current 2024 ACR Lupus Nephritis guidelines recommend checking the urine protein to creatinine ratio (UPCR) every 6-12 months. Early recognition of lupus nephritis…Abstract Number: 1959 • ACR Convergence 2025
The development and validation of a Diagnostic Ultrasound Enthesitis Score (DUET) for Psoriatic Arthritis
Background/Purpose: Enthesitis is a key lesion in psoriatic arthritis (PsA). The Diagnostic Ultrasound Enthesitis Tool (DUET) study aimed to develop and validate a novel sonographic…Abstract Number: 0772 • ACR Convergence 2025
Redefining When to Biopsy the Kidney in Patients with SLE
Background/Purpose: Current ACR, EULAR and KDIGO guidelines recommend kidney biopsy in SLE patients with urine protein to creatinine (UPCR) ratio of >= 0.50 g/g. However,…Abstract Number: 1900 • ACR Convergence 2025
Capturing Patient Cohorts: A Temporal Arteritis Classifier
Background/Purpose: Giant cell arteritis (GCA) is a granulomatous vasculitis affecting cranial and large arteries in individuals over 50 years of age. Its relative rarity poses…Abstract Number: 0745 • ACR Convergence 2025
Prevalence and Clinical Significance of Low ESR and CRP in Giant Cell Arteritis: A Population Based Study
Background/Purpose: Traditionally, elevated erythrocyte sedimentation rate (ESR) or C-reactive protein (CRP) had been considered a hallmark of GCA and both are included in the 2022…
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