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文献报导,血吸虫病流行区大肠癌发病率较高,病变部位与血吸虫虫卵沉积及息肉形成相一致,而且血吸虫病合并大肠癌患者发病年龄较轻。因此认为血吸虫感染对大肠癌的发生有一定关系。但有的却认为血吸虫感染与大肠癌的发生关系不大。曾有Kagama和Katyama关于血吸虫感染诱发大肠癌的报导。我们认为血吸虫感染对大肠癌的发生究竟有
The literature reports that the incidence of colorectal cancer in schistosomiasis epidemic areas is relatively high, the lesion site is consistent with egg deposition and polyp formation in schistosomiasis, and the age of onset of schistosomiasis patients with colorectal cancer is lighter. Therefore, schistosome infection has a certain relationship with the occurrence of colorectal cancer. However, some believe that schistosomiasis infection is not related to the occurrence of colorectal cancer. There have been reports of Kagama and Katyama regarding schistosome-infected colorectal cancer. We think that the occurrence of schistosome infection in colorectal cancer