一、一级预防———对高危群体的预防虽说同系病毒性肝炎,但乙型与丙型的致癌机制不同,故其化学预防的效果亦有异,故须分别从抗炎与抗病毒观点加以探究。乙型肝炎相关肝癌的特征是,由肝炎活动已呈静熄状态的慢性肝炎,甚或偶尔也可由正常肝脏发生癌变。此当与HBV本身的癌症诱发 First, a prevention --- Although the prevention of high-risk groups with the same type of viral hepatitis, but B and C carcinogenic mechanism is different, so the effect of chemical prevention are also different, it is necessary from the anti-inflammatory and anti-virus point of view Explore. Hepatitis B-related hepatocellular carcinoma is characterized by chronic hepatitis that has quiescent state of activity by hepatitis, and occasionally carcinogenesis may also occur from normal liver. This is when induced with cancer of the HBV itself