Extrahepatic bile ducts
Tumors
Granular cell tumor of extrahepatic bile ducts


Topic Completed: 1 September 2012

Revised: 22 February 2019

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

PubMed Search: Granular cell tumor of extrahepatic bile ducts<
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Cite this page: Gulwani H Granular cell tumor of extrahepatic bile ducts. PathologyOutlines.com website. http://www.pathologyoutlines.com/topic/gallbladdergctextrahepatic.html. Accessed March 19th, 2019.
Definition / general
  • Most common benign nonepithelial tumor of extrahepatic biliary tree
  • Usually young to middle aged (mean 34 years) black (65%) women (91%)

Biliary tree sites:
  • Common bile duct or cystic duct
  • Also gallbladder (4%), intrahepatic ducts (4%)
Case reports
Gross description
  • Nonencapsulated, 85% solitary, < 3 cm, yellow tan white
Gross images

Images hosted on other servers:

Common hepatic duct tumor

Distal common bile duct tumor

Microscopic (histologic) description
  • Large polygonal cells with abundant, eosinophilic, granular cytoplasm and central, small, dark, uniform nuclei
Microscopic (histologic) images

Images hosted on other servers:

Large polygonal
cells with
eosinophilic and
granular cytoplasm

Positive stains
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