Fig. 2

Images from CT and FDG-PET/CT. a A mass with a 2-cm diameter in the right adrenal gland. b PET/CT shows high accumulation of FDG (standardized uptake value max, 7.67) in the right adrenal mass. Abbreviations: CT computed tomography, PET positron emission tomography, FDG 8F-fluorodeoxyglucose