Study design and main results of the study.
Abbreviations: 18F-FDG-PET-MR: 18F-fluorodeoxyglucose-positron emission tomographymagnetic resonance; L: left; R: right; RA: rheumatoid arthritis; SUV: standardized uptake value; TBR: target-to-background ratio.
Keywords: Hybrid imaging; Inflammation; PET; Vascular imaging.