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




Topic Completed: 1 February 2012

Revised: 25 January 2019, last major update February 2012

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PubMed Search: Liver heterotopia[TIAB]

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Table of Contents
Definition / general
Cite this page: Jain D. Heterotopia. PathologyOutlines.com website. http://www.pathologyoutlines.com/topic/livertumorheterotopia.html. Accessed April 22nd, 2019.
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
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