title: Pericholecystic rim sign on PET/CT secondary to locally invasive gallbladder carcinoma.
abstract: A variety of gallbladder pathology (eg, carcinoma, acute and chronic cholecystitis, adenomyomatosis, cholestasis) has been imaged with F-18 fluorodeoxyglucose positron emission tomography or positron emission tomography/computed tomography. The pericholecystic rim sign seen on conventional Tc-99m hepatobiliary scintigraphy is a marker of acute cholecystitis, possibly complicated by perforation or gangrene. A case of increased fluorodeoxyglucose uptake within the gallbladder fossa secondary to locally invasive gallbladder carcinoma reminiscent of a classic rim sign is presented.
authors: Nuclear Medicine Service, James A. Haley Veterans' Hospital and University of South Florida College of Medicine, Tampa, FL, USA.
authors: Dwight M
authors: DM
authors: Achong
mesh_terms: D005704:Gallbladder / Q000000981:diagnostic imaging* / Q000473:pathology*; D005706:Gallbladder Neoplasms / Q000000981:diagnostic imaging*; D006801:Humans; D008297:Male; D008875:Middle Aged; D009361:Neoplasm Invasiveness / Q000000981:diagnostic imaging; D049268:Positron-Emission Tomography; D014057:Tomography, X-Ray Computed