Congenital anomalies

Topic Completed: 1 September 2012

Revised: 30 August 2019

Copyright: 2003-2019,, Inc.

PubMed Search: Gallbladder heterotopia[TIAB]

Hanni Gulwani, M.B.B.S.
Page views in 2018: 563
Page views in 2019 to date: 572
Cite this page: Gulwani H. Heterotopia. website. Accessed October 22nd, 2019.
Definition / general
  • Also called ectopia or choristoma
  • Normal tissue in abnormal location
  • Usually incidental
  • Includes liver parenchymal nodules, usually 2.5 cm or less, suspended to gallbladder by mesenteric stalk (DD: accessory lobe)
  • Gastric heterotopia arises as intramural nodules, plaques or polyps, in neck or cystic duct, rarely with peptic ulceration
  • Pancreatic heterotopia has acinar tissue, rarely islets, that may cause acute pancreatitis in gallbladder (Ryoikibetsu Shokogun Shirizu 1996;(9):360)
Case reports
Microscopic (histologic) images

Images hosted on other servers:

Gastric heterotopia

Pancreas heterotopia of common bile duct

Various images

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