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一股认为,病毒性肝炎中A型及E型不发生肝细胞癌,而B型及C型则易发生。C型肝炎和肝细胞癌的关系是在能对B型和C型病毒性肝炎进行特异性诊断作为科学根据的基础上提出的。从肝细胞癌患者的既往史看,常有输血史。田中等分析了1975～1986年10年间肝癌发生的主要原因,有输血史者的比率逐渐增加,而和非甲非乙肝炎有关的肝细胞癌亦稍有增加。日本肝癌研究会报告1984～1985年随访观察的原发性肝癌23%有输血史,因此输血的实际致癌作用的
One thinks, type A and type E of viral hepatitis do not happen hepatocellular carcinoma, and type B and type C are easy to happen. The relationship between hepatitis C and hepatocellular carcinoma is based on a scientific basis for the specific diagnosis of type B and C viral hepatitis. From the past history of patients with hepatocellular carcinoma, blood transfusion often history. Tanaka analysis of the main causes of liver cancer in the 10 years from 1975 to 1986, the proportion of those who have a history of blood transfusion increased gradually, and non-A non-hepatitis B-related hepatocellular carcinoma also increased slightly. Japan Society of Hepatology reports 23% of primary liver cancers observed from 1984 to 1985 with a history of blood transfusions, so the actual carcinogenic effects of transfusions