title: [Signet ring cell carcinoma of the bile duct: a case report].
abstract: A 72-year-old man was admitted with obstructive jaundice. Computed tomography revealed a 4cm tumor with multiple cystic components obstructing the common bile duct. Endoscopic ultrasonography, endoscopic retrograde cholangiopancreatography and intraductal ultrasonography demonstrated the tumor, which derived from the lower bile duct, grew into the bile duct lumen. Peroral cholangioscopy revealed distended tumor vessels on the surface of the tumor. Signet ring cell carcinoma of the bile duct was diagnosed by biopsy. The patient died 3 months after the first hospital admission despite chemotherapy.
authors.affiliation: Department of Gastroenterology, Kobe City Medical Center General Hospital. tommatsumoto@kcho.jp
authors.forename: Tomonori
authors.initials: T
authors.lastname: Matsumoto
authors.forename: Satoko
authors.initials: S
authors.lastname: Inoue
authors.forename: Kenji
authors.initials: K
authors.lastname: Masuo
authors.forename: Yoshiko
authors.initials: Y
authors.lastname: Okamoto
authors.forename: Masashi
authors.initials: M
authors.lastname: Fukushima
authors.forename: Masaya
authors.initials: M
authors.lastname: Wada
authors.forename: Naoto
authors.initials: N
authors.lastname: Shimeno
authors.forename: Naoya
authors.initials: N
authors.lastname: Kimoto
authors.forename: Mikio
authors.initials: M
authors.lastname: Fujita
authors.forename: Yoshiki
authors.initials: Y
authors.lastname: Suginoshita
authors.forename: Akihiko
authors.initials: A
authors.lastname: Okada
authors.forename: Tetsuro
authors.initials: T
authors.lastname: Inokuma
authors.forename: Yukihiro
authors.initials: Y
authors.lastname: Imai
mesh_terms: D000368:Aged; D001650:Bile Duct Neoplasms / Q000473:pathology*; D018279:Carcinoma, Signet Ring Cell / Q000473:pathology*; D006801:Humans; D008297:Male