论文部分内容阅读
0引言原发性肝细胞性肝癌(primary hepatocellularcarcinoma,HCC)是第六大常见的恶性肿瘤,WHO报道称全世界范围内原发性肝细胞性肝癌在肿瘤致死中排位第四。近几十年,肝癌的发生率明显升高,且具有明显的区域性。肝癌发生最常见的危险因素为慢性乙肝病毒、慢性丙肝病毒感染,肝癌中感染这两种病毒的比例分别为52.3%、20%,大部分的HCC发生于乙肝病毒或丙肝病毒引起肝硬化的基础上。肝细胞性肝癌形成是一个多步骤的过
0 Introduction Primary hepatocellular carcinoma (HCC) is the sixth most common malignancy, and WHO reports that the world’s primary hepatocellular carcinoma is the fourth leading cause of cancer death. In recent decades, the incidence of liver cancer was significantly increased, and has obvious regional. The most common risk factors for liver cancer are chronic hepatitis B virus, chronic hepatitis C virus infection, and the proportion of these two viruses that are infected in liver cancer is 52.3% and 20% respectively. Most of the HCCs occur in the liver cirrhosis caused by hepatitis B virus or hepatitis C virus on. Hepatocellular carcinoma is a multi-step process