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溃疡性结肠炎发生结肠癌的机率较高。其他肠道炎症性疾病如克隆病、肠结核、放射性肠炎、日本血吸虫病等也有发生肠癌的病例报告。但这些疾病的癌症发病率还不明确,估计不会太高。溃疡性结肠炎并发的结肠癌1925年Crohn报道第一例溃疡性结肠炎并发癌症以后,欧美报道了很多此类病例,于是认为溃疡性结肠炎合并结肠癌的发病率,比总人口的发病率要高。对日本溃疡性结肠炎合并癌症的病例,到1986年为止只报告30例。但因病程漫长的患者有增加倾向,今后癌症病例也
Ulcerative colitis has a higher incidence of colon cancer. Other bowel inflammatory diseases such as Crohn’s disease, intestinal tuberculosis, radiation enteritis, and schistosomiasis japonica have also reported cases of colon cancer. However, the incidence of cancer in these diseases is not yet clear and it is estimated that it will not be too high. Ulcerative Colitis Concomitant Colon Cancer 1925 Crohn Reports The First Case of Ulcerative Colitis Complicated with Cancer After Europe and America reported many such cases, the incidence of ulcerative colitis with colon cancer was considered to be higher than the incidence of the general population. To be high. In the case of Japanese ulcerative colitis-associated cancer, only 30 cases were reported until 1986. However, patients with long course of disease tend to increase, and cancer cases in the future are also