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本文总结了１９８３年～１９９１年间收治的大肠癌３９８例，其中经手术和病理证实的青年（＜３２岁）大肠癌４３例，占总数的１０．８２％。近年来其发病率逐渐增加，误诊率７４．４％，易误诊为肠炎，肠结核、痔、菌痢等常见疾病。误诊原因主要为：查体时忽视肛门指诊；或满足于已发现的良性病变；或长期对症药物治疗，效果不佳，而不究其因；待症状重时就诊，而延误诊治。
This article summarizes 398 cases of colorectal cancer treated between 1983 and 1991, 43 cases of colorectal cancer (<32 years old) confirmed by surgery and pathology, accounting for 10.82% of the total. In recent years, its incidence has gradually increased, misdiagnosis rate of 74.4%, often misdiagnosed as enteritis, intestinal tuberculosis, sputum, dysentery and other common diseases. Misdiagnosis is mainly due to: the examination of the anus to ignore the examination; or satisfied with the benign disease has been found; or long-term symptomatic drug treatment, the effect is not good, without the cause; When the symptoms are serious, and delay diagnosis and treatment.