Adenoma arising from the cystic duct and extending to the confluence of the extrahepatic biliary tract

Hiroshi Satoh, Tatsuya Hirano, Yoshiaki Ogawa, Yohji Minamishima, Shouichiro Saitoh, Masaki Takashima, Katsuaki Koga, Nobutoshi Imaizumi, Masahiko Yoshida

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

We describe a rare case of adenoma with a few foci of severe atypia arising from the cystic duct in a 68-year-old woman, initially diagnosed by the presence of intracholecystic tumefactive sludge on abdominal ultrasonography. Endoscopic retrograde cholangiography (ERC) disclosed a tuberous filling defect at the orifice of the cystic duct. Pathology examination of the biopsied specimen obtained from ERC disclosed not a cancerous but an adenomatous lesion. Macroscopically, the resected specimen showed a superficially spreading and shallowly elevated lesion extending from the cystic duct to the common bile duct. Although a few sporadic foci of severe atypia were observed, microscopy did not reveal any cancer findings, but confirmed the tumorous lesion as benign adenoma, showing mild-to-moderate atypia. Postoperative immunohistochemistry revealed no expression of p53 protein. We briefly refer to the rarity of adenoma in the biliary tract and discuss the difficulty of differential diagnosis of neoplastic lesions in the extrahepatic biliary tract.

Original languageEnglish
Pages (from-to)186-189
Number of pages4
JournalJournal of Hepato-Biliary-Pancreatic Surgery
Volume6
Issue number2
Publication statusPublished - 1999

Fingerprint

Cystic Duct
Biliary Tract
Adenoma
Cholangiography
Common Bile Duct
Sewage
Microscopy
Ultrasonography
Differential Diagnosis
Immunohistochemistry
Pathology
Neoplasms
Proteins

Keywords

  • Adenoma
  • Cystic duct
  • Severe atypia

ASJC Scopus subject areas

  • Surgery

Cite this

Satoh, H., Hirano, T., Ogawa, Y., Minamishima, Y., Saitoh, S., Takashima, M., ... Yoshida, M. (1999). Adenoma arising from the cystic duct and extending to the confluence of the extrahepatic biliary tract. Journal of Hepato-Biliary-Pancreatic Surgery, 6(2), 186-189.

Adenoma arising from the cystic duct and extending to the confluence of the extrahepatic biliary tract. / Satoh, Hiroshi; Hirano, Tatsuya; Ogawa, Yoshiaki; Minamishima, Yohji; Saitoh, Shouichiro; Takashima, Masaki; Koga, Katsuaki; Imaizumi, Nobutoshi; Yoshida, Masahiko.

In: Journal of Hepato-Biliary-Pancreatic Surgery, Vol. 6, No. 2, 1999, p. 186-189.

Research output: Contribution to journalArticle

Satoh, H, Hirano, T, Ogawa, Y, Minamishima, Y, Saitoh, S, Takashima, M, Koga, K, Imaizumi, N & Yoshida, M 1999, 'Adenoma arising from the cystic duct and extending to the confluence of the extrahepatic biliary tract', Journal of Hepato-Biliary-Pancreatic Surgery, vol. 6, no. 2, pp. 186-189.
Satoh, Hiroshi ; Hirano, Tatsuya ; Ogawa, Yoshiaki ; Minamishima, Yohji ; Saitoh, Shouichiro ; Takashima, Masaki ; Koga, Katsuaki ; Imaizumi, Nobutoshi ; Yoshida, Masahiko. / Adenoma arising from the cystic duct and extending to the confluence of the extrahepatic biliary tract. In: Journal of Hepato-Biliary-Pancreatic Surgery. 1999 ; Vol. 6, No. 2. pp. 186-189.
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AU - Koga, Katsuaki

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