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Liver and intrahepatic bile ducts - Tumor

Benign tumors

Heterotopia


Reviewers: Deepali Jain, M.D. (see Reviewers page)
Revised: 9 January 2013, last major update February 2012
Copyright: (c) 2004-2013, PathologyOutlines.com, Inc.

General
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● 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

End of Liver and intrahepatic bile ducts - Tumor > Benign tumors > Heterotopia


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