Benign liver tumors.
This article discusses the most important benign liver tumors, both in adult and pediatric patients. A pathologic discussion of each neoplasm is included to provide a basis for understanding the radiologic-pathologic correlation that is used throughout the monograph. The benign liver tumors are presented according to their frequency. Therefore, hemangioma, the most common primary benign liver neoplasm, is discussed first, followed by focal nodular hyperplasia, hepatocellular adenoma, and the benign primary pediatric tumors--infantile hemangioendothelioma and mesenchymal hamartoma. Finally, a brief discussion of nodular regenerative hyperplasia and other rare hepatic masses is included. Bile duct cyst (simple, non-parasitic cyst of the liver) is not included since it is not a neoplasm. Likewise, cystadenoma is not discussed since it originates from the biliary duct cell and is appropriately included in the biliary neoplasms category.
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D006528:Carcinoma, Hepatocellular / Q000175:diagnosis; D003952:Diagnostic Imaging; D006222:Hamartoma / Q000175:diagnosis; D006390:Hemangioendothelioma / Q000175:diagnosis; D006391:Hemangioma / Q000175:diagnosis; D006801:Humans; D006965:Hyperplasia; D008067:Lipoma / Q000175:diagnosis; D008099:Liver / Q000473:pathology; D008113:Liver Neoplasms / Q000175:diagnosis*