Physiologic facial muscle uptake on 18F-FDG PET/CT by chewing-like habitual movement in patient with Sjögren syndrome.

AbstractAn 84-year-old female patient with known Sjogren syndrome underwent 18F-FDG PET/CT to detect recurrence of uterine cervix cancer. Sjogren syndrome is autoimmune disease that typically produces symptoms of dry mouth and eyes. We report a case of physiologic 18F-FDG uptake on facial muscles by