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…Abstract Number: 2394 • ACR Convergence 2023
18f-FDG-PET/CT for Giant Cell Arteritis Detection of Large Vessel Vasculitis: What Should We Take into Consideration? Analytical Study of the Arteser Registry
Background/Purpose: Imaging studies in patients with giant cell arteritis (GCA) and suspected large vessel vasculitis (LVV) are sensitive, increasingly available, and less aggressive than temporal…Abstract Number: 2411 • ACR Convergence 2023
C-X-C Motif Chemokine Receptor 4-targeted Molecular Imaging in Giant Cell Arteritis – a Head-to-head Comparison with FDG PET
Background/Purpose: 2-[18F]fluoro-2-deoxy-D-glucose(FDG) is the reference PET radiotracer for detecting inflammation in giant cell arteritis (GCA). C-X-C motif chemokine receptor 4 (CXCR4)-directed PET, however, allows for…Abstract Number: 0480 • ACR Convergence 2022
Treatment of Giant Cell Arteritis Patients with Ultra-short Glucocorticoids and Tocilizumab: Role of Imaging in a Prospective Study
Background/Purpose: To evaluate the clinical and functional/morphological imaging response in a series of active large vessel (LV)-GCA patients treated with tocilizumab (TCZ) monotherapy after ultra-short-term…Abstract Number: 0580 • ACR Convergence 2022
18F-FDG PET-MR Characterization of Aortitis in the IL1rn-/- Mouse Model of Giant-Cell Arteritis
Background/Purpose: Metabolic imaging is routinely used to demonstrate aortitis in patients with giant-cell arteritis. We aimed to investigate aortitis in BALB/c IL1rn-/- mice, a preclinical…