Liver and intrahepatic bile ducts - tumor
Benign tumors / conditions
Heterotopia

Author: Deepali Jain, M.D. (see Authors page)

Revised: 16 November 2017, last major update February 2012

Copyright: (c) 2002-2017, PathologyOutlines.com, Inc.

PubMed Search: Liver heterotopia[TIAB]

Table of Contents
Definition / general
Cite this page: Jain, D. Heterotopia. PathologyOutlines.com website. http://www.pathologyoutlines.com/topic/livertumorheterotopia.html. Accessed December 13th, 2017.
Definition / general
  • Heterotopic tissue in liver: usually from pancreas, adrenal gland or spleen
  • Pancreas: 4% of autopsies, usually within large and medium sized portal tracts; acinar cells but no islets
  • Adrenal gland rests: rare, may be confused with renal cell carcinoma or other clear cell carcinomas

  • Heterotopic liver is not connected to main liver; is found in gallbladder, spleen, pancreas, umbilicus, adrenal gland, small intestine, lesser omentum, lung, heart, pleura and pericardium

4 types:
  • Accessory liver lobe: attached to liver by stalk
  • Small accessory lobe
  • Ectopic liver without connection to main liver
  • Microscopic ectopic liver