In recent years,the incidence of colorectal polyps and colorectal carcinoma showed a trend to increase gradually. Statistical analysis demonstrated that 80% of colorectal carcinoma were developed from colorectal adenoma,and adenomatous polyps accounted for 1 / 2-1 / 3 of colorectal polyps. Endoscopy is the golden standard for examining intestinal lesions,yet it is not completely correct and certain missed diagnosis has occurred. Factors causing missed diagnosis of colonoscopy include lesion factors and non-lesion factors. This article reviewed the advances in studies on missed diagnosis of intestinal polyps and related factors in colonoscopic examination.%近年来结直肠息肉、结直肠癌的发病率呈逐渐上升趋势。统计表明80%的结直肠癌由结直肠腺瘤发展而来，而腺瘤性息肉占全部结直肠息肉的1/2~2/3。内镜检查是诊断肠道病变的金标准，但并非准确无误，存在一定漏诊情况。导致结肠镜检查肠息肉漏诊的因素包括病变因素和非病变因素。本文就结肠镜检查肠息肉漏诊及其相关因素的研究进展作一综述。
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