Abstract Number: 2613 • ACR Convergence 2025
Ga-FAPI-04 PET/CT reveals increased fibroblast activation in synovial and enthesial tissues of psoriasis patients with arthralgia and predicts the development of psoriatic arthritis
Background/Purpose: 68Ga-FAPI-04 PET/CT reveals fibroblast activation in vivo and is increasingly used to assess rheumatic diseases, including inflammatory arthritides. (1,2) We previously demonstrated that the…Abstract Number: 2610 • ACR Convergence 2025
Imaging remission in aortitis associated with giant cell arteritis. Multicenter study with tocilizumab in monotherapy and combined therapy
Background/Purpose: Aortitis is a frequent and potential severe complication of giant cell arteritis (GCA)(GCA-aortitis). Tocilizumab (TCZ) was approved for the treatment of GCA, but its…Abstract Number: 2470 • ACR Convergence 2025
Impaired Myocardial Flow Reserve on 82-Rubidium Positron Emission Tomography in Patients with Systemic Sclerosis
Background/Purpose: Cardiovascular death ranks as the second leading cause of mortality related to systemic sclerosis (SSc), with coronary microvascular dysfunction (CMVD) likely contributing to this…Abstract Number: 0511 • ACR Convergence 2025
Submandibular Gland Ratio Stratifies Salivary Function and Reveals a Senescence Peak in Anti-SSA Positive Sjögren’s Syndrome
Background/Purpose: In primary Sjögren’s syndrome (pSS), the histologic focus score reflects immune infiltration but does not capture irreversible glandular damage. We evaluated a submandibular gland…Abstract Number: 1973 • ACR Convergence 2024
Radioisotopic Synoviorthesis: Factors Associated with Good Response Evaluated by Ultrasound
Background/Purpose: Radioisotopic synoviorthesis (RS) is an intra-articular local therapy that uses radioisotopes for the treatment of chronic recurrent synovitis with inadequate response to conventional therapy.…Abstract Number: 2648 • ACR Convergence 2024
Diagnosis of Giant Cell Arteritis by 18F-FDG PET/CT in Patients on Glucocorticoid Therapy: Importance of Delayed Imaging
Background/Purpose: The aim of this study is to analyse the diagnostic value of the delay images at 180 minutes in positron emission tomography (PET) performed in…Abstract Number: 0218 • ACR Convergence 2024
Incidental Findings on Whole Body 18F-FDG PET/CT in a Rheumatoid Arthritis Clinical Trial Population
Background/Purpose: Performing whole body imaging inevitably reveals incidental findings in the majority of cases. A clinical trial was conducted to determine whether different treatment strategies…Abstract Number: 0743 • ACR Convergence 2024
Higher Baseline FDG Musculoskeletal Uptake at PET/CT Is Associated with a Higher Remission Rate in Polymyalgia Rheumatica: A Retrospective 3-year Observational Study
Background/Purpose: Polymyalgia rheumatica (PMR) and giant cell arteritis (GCA) are related inflammatory diseases characterized by increased musculoskeletal and vascular uptakes of 18-Fluorodeoxyglucose (18F-FDG) at positron…Abstract Number: 0745 • ACR Convergence 2024
Tocilizumab in Monotherapy vs. Combined in Aortitis Associated with Giant Cell Arteritis. Multicenter Open-label Study of 196 Patients
Background/Purpose: Aortitis related to Giant Cell Arteritis (GCA-aortitis) is a frequent and potential severe complication. Tocilizumab (TCZ) was approved in GCA, but the efficacy in…Abstract Number: 0767 • ACR Convergence 2024
Comparing Large Vessel Uptake of 68Ga-HA-DOTATATE to 18F-FDG Using PET/CT Imaging in Patients with Active Giant Cell Arteritis
Background/Purpose: 18F-fluoro-deoxyglucose (FDG) is the current standard among radiotracers for PET/CT imaging of large vessel vasculitis (LVV) in giant cell arteritis (GCA), but its performance…Abstract Number: 1620 • ACR Convergence 2024
Unveiling of a New Molecular Imaging Biomarker? Vascular Adhesion Protein-1 and [68Ga]Ga-DOTA-Siglec-9 PET/CT in Detecting Giant Cell Arteritis Relapse
Background/Purpose: Vascular adhesion protein-1 (VAP-1) is a transmembrane adhesion molecule with oxidative deamination functionality, which is expressed in vascular smooth muscle cells and endothelial cells.…Abstract Number: 1624 • ACR Convergence 2024
Prognostic Value of Baseline 18F-FDG PET/CT Scan in Giant Cell Arteritis with Large Vessel Involvement
Background/Purpose: 18F-fluorodeoxyglucose positron emission tomography/computed tomography (18F-FDG PET/CT) scan has become a very useful diagnostic tool in patients with GCA with large vessel involvement. However,…Abstract Number: 1054 • ACR Convergence 2023
Immune Checkpoint Inhibitor Induced Polymyalgia Rheumatica Demonstrates a Similar Scintigraphic Appearance to Classical Polymyalgia Rheumatica on 18F-Fluorodeoxyglucose PET/CT
Background/Purpose: Of the rheumatic immune-related adverse events that follow immune checkpoint inhibitor (ICI) cancer immunotherapy, de novo PMR-like episodes without inflammatory arthritis (ICI-PMR) appear to…Abstract Number: 1646 • ACR Convergence 2023
The Real-World Experience of Combined Cranial and Large Vessel FDG-PET/CT in the Investigation of Giant Cell Arteritis
Background/Purpose: GCA is a systemic medium-large vessel vasculitis (M-LVV) involving the cranial arteries, aorta and its major branches. Recent studies have shown that PET/CT including…Abstract Number: 1890 • ACR Convergence 2023
Use of Artificial Intelligence to Diagnose Polymyalgia Rheumatica on 18F-FDG Whole Body PET/CT in Patients with Atypical Clinical Features
Background/Purpose: PET/CT is a highly sensitive and specific test for diagnosing PMR.(1) This study investigated the utility of 18F-FDG whole body PET/CT in patients presenting…