Hepatoid adenocarcinoma (HAC) is a rare extrahepatic malignant disease with a histopathologic pattern similar to that of hepatocellular carcinoma (HCC).

• 摘要肝样腺癌是一种罕见的肝外恶性肿瘤，而在病理组织学上的表现与原发性肝细胞癌十分相似。