Gallbladder
Malignant gallbladder tumors
Carcinoid tumor

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

Revised: 6 February 2018, last major update September 2012

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

PubMed Search: Carcinoid tumor[TIAB] gallbladder

Cite this page: Gulwani, H. Carcinoid tumor. PathologyOutlines.com website. http://www.pathologyoutlines.com/topic/gallbladdercarcinoid.html. Accessed May 24th, 2018.
Definition / general
  • Carcinoid tumors in general are rare in gallbladder and may be associated with MEN syndromes and Zollinger-Ellison syndrome
  • 10 year survival of 36% in one study (Ann Diagn Pathol 2009;13:378)
Case reports
Gross images

Images hosted on other servers:

Tumor (arrow) in body and fundus

Microscopic (histologic) description
  • Nests and tubules of clear cells containing lipid
  • May have pagetoid spread into biliary epithelium
  • Resembles clear cell endocrine pancreatic neoplasm associated with von Hippel-Lindau disease
Microscopic (histologic) images

Images hosted on other servers:

Various images

Positive stains
Negative stains
  • Serotonin
Differential diagnosis