Extrahepatic bile ducts
Tumors
Cystadenoma


Topic Completed: 1 September 2012

Revised: 22 February 2019

Copyright: 2003-2019, PathologyOutlines.com, Inc.

PubMed Search: Cystadenoma extrahepatic bile ducts
Page views in 2018: 601
Page views in 2019 to date: 87
Cite this page: Gulwani H Cystadenoma. PathologyOutlines.com website. http://www.pathologyoutlines.com/topic/gallbladdercystadenomaextrahepatic.html. Accessed March 20th, 2019.
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
Treatment
  • 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

Back to top