Extrahepatic bile ducts
Cystadenoma of extrahepatic bile ducts

Topic Completed: 1 September 2012

Minor changes: 20 September 2019

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PubMed Search: Cystadenoma extrahepatic bile ducts

Hanni Gulwani, M.B.B.S.
Page views in 2019: 446
Page views in 2020 to date: 164
Cite this page: Gulwani H. Cystadenoma of extrahepatic bile ducts. PathologyOutlines.com website. https://www.pathologyoutlines.com/topic/gallbladdercystadenomaextrahepatic.html. Accessed June 1st, 2020.
Definition / general
  • More uncommon in extrahepatic biliary system than in liver
  • Extremely rare in gallbladder
  • Usually women ages 42 - 55 years
  • Resembles pancreatic cystadenoma
Case reports
  • Excision, may recur or become malignant
Gross description
  • Unilocular or multilocular
  • Well defined cystic masses with serous, mucinous, bilious, hemorrhagic or mixed fluid
  • Outer fibrous wall
  • Inner surface is smooth, granular or trabeculated
Gross images

Images hosted on other servers:

Multilocular cyst

With multiple tumor nodules

Microscopic (histologic) description
  • Multiple locules lined by biliary type cuboidal or columnar epithelium
  • Stroma is cellular, resembling ovarian stroma in 85%, surrounded by hyalinized fibrous tissue
  • 13% have dysplastic changes
Microscopic (histologic) images

Images hosted on other servers:

Various images

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