Liver and intrahepatic bile ducts

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Liver and intrahepatic bile ducts - Tumor

Benign tumors

Myelolipoma

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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● Tumor of fat and bone marrow hematopoietic cells resembling adrenal tumor
● Rare extraadernal sites: spleen, mediastinum, testis and liver
● Histogenesis not clear
● Neoplastic or metaplastic changes or emboli from bone marrow, or embryonic rests of hematapoietic tissue (J Gastrointestin Liver Dis 2010;19:105)

Case reports
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● Associated with hepatocellular carcinoma (AJR Am J Roentgenol 1994;163:1111)

Gross description
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● Fatty lesion with grayish-red appearance

Micro description
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● Fat and bone marrow hematopoietic cells

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

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