• (adenoma, liver cell) A benign epithelial tumor of the LIVER.
  NLM Medical Subject Headings
  U.S. National Library of Medicine, 2025
• 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.
  NCI
  U.S. National Cancer Institute, 2021
• A benign tumor of the liver of presumably epithelial origin.
  Human Phenotype Ontology (HPO)
  The Human Phenotype Ontology Project, 2025
• Hepatocellular adenoma (HA) is a rare benign tumor of the liver.
  OrphaNet
  INSERM, 2021
• A hepatocellular adenoma is a relatively uncommon noncancerous liver tumor that may be mistaken for cancer. Rarely, it ruptures and bleeds or becomes cancerous. Hepatocellular adenomas occur mainly in women of childbearing age, particularly those who use oral contraceptives.
  Merck Manuals
  Merck & Co., Inc., 2025
• Hepatocellular adenomas (HCAs) are also known as hepatic adenomas or liver cell adenomas. They are rare, benign tumors of presumable epithelial origin and occur in less than 0.
  Medscape
  WebMD, 2025