Extrahepatic bile ducts
Tumors
Granular cell tumor of extrahepatic bile ducts

Author: Hanni Gulwani, M.D. (see Authors page)

Revised: 8 February 2018, last major update September 2012

Copyright: (c) 2003-2018, PathologyOutlines.com, Inc.

PubMed Search: Granular cell tumor of extrahepatic bile ducts

Cite this page: Gulwani, H. Granular cell tumor of extrahepatic bile ducts. PathologyOutlines.com website. http://www.pathologyoutlines.com/topic/gallbladdergctextrahepatic.html. Accessed September 22nd, 2018.
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