18F-FDG PET/CT was performed on a 70-year-old man to stage the newly diagnosed multiple myeloma. A hypermetabolic lesion in the gallbladder fundus was revealed incidentally and suspected for gallbladder carcinoma, but was finally proven to be a cholesterol granuloma by the pathology of cholecystectomy.
From the *Department of Nuclear Medicine, Peking University First Hospital, Beijing, China; and
†Department of Radiology, Massachusetts General Hospital, Harvard Medical School, Boston, MA.
Received for publication January 8, 2019; revision accepted January 20, 2019.
Conflicts of interest and sources of funding: none declared.
Correspondence to: Zhanli Fu, MD, Department of Nuclear Medicine, Peking University First Hospital, No. 8, Xishiku St, West District, Beijing 100034, China. E-mail: firstname.lastname@example.org.