title: Biliary scintigraphy and ultrasound demonstrating an S-shaped gallbladder with a calculus and narrowing at its midportion.
authors.affiliation: Department of Radiology, Division of Nuclear Medicine, Columbia-Presbyterian Medical Center, Columbia University College of Physicians and Surgeons, New York, New York 10032, USA.
authors.forename: Charles W
authors.initials: CW
authors.lastname: Drocea
authors.forename: Nancy E
authors.initials: NE
authors.lastname: Budorick
authors.forename: Andrew E
authors.initials: AE
authors.lastname: Kim
authors.forename: Rashid
authors.initials: R
authors.lastname: Fawwaz
authors.forename: Ronald L
authors.initials: RL
authors.lastname: Van Heertum
mesh_terms: D000368:Aged; D002769:Cholelithiasis / Q000150:complications / Q000000981:diagnostic imaging*; D002779:Cholestasis / Q000000981:diagnostic imaging* / Q000209:etiology; D003251:Constriction, Pathologic / Q000150:complications / Q000000981:diagnostic imaging; D003937:Diagnosis, Differential; D005704:Gallbladder / Q000002:abnormalities* / Q000000981:diagnostic imaging; D006801:Humans; D008297:Male; D011859:Radiography; D011877:Radionuclide Imaging; D014463:Ultrasonography