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国际癌研究中心(IARC)提出人类致癌的另一个环节,即生物因素,证实血吸虫和泰国肝吸虫与致癌有关,评价肝吸虫(2A型)及日本血吸虫(2B型)各自致癌的可能性。 血吸虫:血吸虫病与膀胱癌有关,文献早有报道。血吸虫的幼虫即尾蚴在水中经皮肤感染于人体后,成虫寄生在膀胱周围,把虫卵产在膀胱壁上,从而导致膀胱癌。临床已有很
The International Cancer Research Center (IARC) proposed another aspect of human carcinogenesis, namely, biological factors, confirming that schistosomiasis and liver flukes are related to carcinogenesis, and evaluate the possibility of carcinogenesis in each of liver flukes (type 2A) and schistosomules (type 2B). Schistosomiasis: Schistosomiasis is related to bladder cancer. The literature has long been reported. After the larvae of the schistosome, the cercariae, are infected by the skin in the human body through the skin, the adults parasitize around the bladder, and the eggs are produced on the bladder wall, resulting in bladder cancer. Has been clinical