原发性肝癌的病因和发病原理尚未确定。目前认为与肝硬化、病毒性肝炎、黄曲霉紊等某些化学致癌物质和水土因素有关。大体类型可分为:结节型、巨块型和弥漫型,其中以结节型为最常见,且多伴有肝硬化。巨块型肝癌呈单发的大块状。从病理组织上可分为3类:肝细胞型、胆管细胞型和二者同时出现的混合型。我国绝大多数原发性肝癌是肝细胞癌(91.5%)。原发性肝癌极易侵犯门静脉分支,癌栓经门静脉系 The etiology and pathogenesis of primary liver cancer have not been established. At present, and liver cirrhosis, viral hepatitis, Aspergillus flavus and other chemical carcinogens and water and soil factors. The general type can be divided into: nodular, massive and diffuse type, of which the most common nodular, and often accompanied by cirrhosis. Huge type of liver cancer was single mass. From the pathological organization can be divided into three categories: hepatocellular type, cholangiocellular type and a combination of the two simultaneously. The vast majority of primary liver cancer in our country is hepatocellular carcinoma (91.5%). Primary liver cancer easily violated portal vein branches, tumor thrombi by the portal vein