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我院自1990～1996年6月对以血便为主诉（包括粪隐血试验阳性的患者）进行结肠镜检查，现报告如下。1资料与方法1.1本组200例，男121例，女79例，年龄13～79岁，平均46岁。病程1～14个月。临床症状（1）便血：以显性反复少量鲜红色血便多见，也有粘液血便及暗红色便着，排柏油样
Our hospital from 1990 to June 1996 to bloody stool complaints (including fecal occult blood test positive patients) colonoscopy, are as follows. 1 Materials and Methods 1.1 The group of 200 cases, 121 males and 79 females, aged 13 to 79 years, mean 46 years. Duration of 1 to 14 months. Clinical Symptoms (1) Blood in the stool: a small amount of bright red bloody stool is more common, but also mucus bloody stool and dark red will be, asphaltic