title: Superficially spreading cholangiocarcinoma.
abstract: Cholangiocarcinoma of a raised, elevated type, not an infiltrative type, may be accompanied with superficial spread in the contiguous mucosa. We report a case of an extrahepatic cholangiocarcinoma that showed a specific cholangiographic finding of extensive superficial spread. The patient was a 62-yr-old man. Cholangiography revealed an elevated lesion in the middle of the bile duct, which was surrounded by irregularity of the bile duct wall extensively. We accurately diagnosed the tumor extent by percutaneous transhepatic cholangioscopy and achieved radical resection without hepatic resection. The margins were tumor-negative by microscopy. In conclusions, it is important to accurately diagnose the extent of superficial spread preoperatively by cholangioscopy and biopsy, and decide the resecting lines to make margins tumor-negative.
authors.affiliation: Department of Surgical Oncology, Division of Cancer Medicine, Hokkaido University Graduate School of Medicine, Sapporo, Japan. wx2m-ab@asahi-net.or.jp
authors.forename: Motoki
authors.initials: M
authors.lastname: Abe
authors.forename: Satoshi
authors.initials: S
authors.lastname: Kondo
authors.forename: Satoshi
authors.initials: S
authors.lastname: Hirano
authors.forename: Yoshiyasu
authors.initials: Y
authors.lastname: Ambo
authors.forename: Eiichi
authors.initials: E
authors.lastname: Tanaka
authors.forename: Katsunori
authors.initials: K
authors.lastname: Saito
authors.forename: Toshiaki
authors.initials: T
authors.lastname: Morikawa
authors.forename: Shunichi
authors.initials: S
authors.lastname: Okushiba
authors.forename: Hiroyuki
authors.initials: H
authors.lastname: Katoh
mesh_terms: D001650:Bile Duct Neoplasms / Q000175:diagnosis / Q000473:pathology*; D001706:Biopsy; D018281:Cholangiocarcinoma / Q000175:diagnosis / Q000473:pathology*; D016099:Endoscopy, Gastrointestinal; D006801:Humans; D008297:Male; D008875:Middle Aged; D009361:Neoplasm Invasiveness
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