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临床实践及文献[1,2]报道均提示,晚期肝癌患者有40.0%～90.2%在门静脉主干或主要分支内形成癌栓。即使是小肝癌,门静脉内形成癌栓的比例也相当高。2003年Chau等[3]报道37例直径<2 cm的肝癌手术切除标本中镜下门静脉癌栓发生率为40.5%,而115例直径为2.1～4.0 cm的肝癌手术切除标本中门静脉癌栓发生率高达49.6%。癌栓不仅发生率高,而且也是影响肝癌预后的一个主要因素。近年来,肝癌的治疗已有了长足的进步,但
Clinical practice and literature [1,2] reported that patients with advanced liver cancer 40.0% to 90.2% in the main branch of the portal vein or tumor thrombus formation. Even small hepatocellular carcinoma, portal vein thrombosis in the formation rate is quite high. In 2003, Chau et al. [3] reported the incidence of portal vein tumor thrombus in 37 cases of HCC with diameter less than 2 cm in 40.5% of the cases, and 115 cases of portal vein tumor thrombus in the resected specimens of HCC with diameter of 2.1-4.0 cm Rate up to 49.6%. Not only the high incidence of thrombus, but also affect the prognosis of liver cancer is a major factor. In recent years, the treatment of liver cancer has made great strides, however