Hepatocellular Adenoma

**Semantic type:** Neoplastic Process

**Definition:** A benign epithelial neoplasm arising from the hepatocytes. Grossly, it appears as a soft, round mass which often contains areas of hemorrhage and necrosis. Morphologically, the neoplastic cells resemble normal hepatocytes and form plates separated by sinusoids. Most patients have a history of contraceptive or anabolic steroids use.

**Synonyms:** - ADENOMA, HEPATOCELLULAR, BENIGN - Adenoma of Liver Cells - Adenoma of Liver Cells - Adenoma of the Liver Cells - Adenoma of the Liver Cells - HCA - HCA - Hepatocellular adenoma - Liver Cell Adenoma - Liver Cell Adenoma - Liver cell adenoma