title: Carcinoid tumor of the ampulla of Vater. Magnetic resonance imaging findings.
abstract: Carcinoid tumors arising from the ampulla of Vater are rare, and their magnetic resonance (MR) imaging findings have not been reported in the literature to date. We report a case of carcinoid tumor of the ampulla of Vater and discuss the characteristic MR imaging findings. The tumor was isointense relative to the muscle on both the T1- and T2-weighted images with heterogeneous enhancement after gadolinium administration. Both the common bile and the pancreatic ducts were dilated on the MR cholangiopancreatography.
authors.affiliation: Department of Radiology, National Defense Medical College, 3-2 Namiki, Tokorozawa, Saitama 359-0042, Japan.
authors.forename: Fuzuki
authors.initials: F
authors.lastname: Yano
authors.forename: Yukihiro
authors.initials: Y
authors.lastname: Hama
authors.forename: Katsumi
authors.initials: K
authors.lastname: Abe
authors.forename: Yoshie
authors.initials: Y
authors.lastname: Iwasaki
authors.forename: Kazuo
authors.initials: K
authors.lastname: Hatsuse
authors.forename: Shoichi
authors.initials: S
authors.lastname: Kusano
mesh_terms: D000368:Aged; D014670:Ampulla of Vater / Q000473:pathology*; D002276:Carcinoid Tumor / Q000175:diagnosis* / Q000473:pathology; D003287:Contrast Media; D019786:Gadolinium DTPA; D006801:Humans; D008279:Magnetic Resonance Imaging / Q000379:methods; D008297:Male
chemical_list: D003287:Contrast Media; D019786:Gadolinium DTPA