直肠癌为我国的常见癌瘤之一。术前均采用直肠镜直视下行病理活检确诊。细胞学诊断因取材工具不理想,难以在临床上推广应用。作者用自制砂片指套获取细胞学标本,为我院1985年6月至10月门诊部求诊病人,凡自诉有直肠症状的79例,进行随机涂片检查,其中50例行病理切片对照。试用结果:阳性检出率为89％,阳性中一次性涂片成功率为90％,全组无假阳性,涂片诊断与活 Rectal cancer is one of the most common cancers in our country. All patients were diagnosed with pathological biopsy under direct rectaloscopy. The cytological diagnosis is not ideal because it is difficult to obtain tools. It is difficult to promote the clinical application. The author obtained cytological specimens from self-made sand finger cuffs and consulted patients from June to October 1985 in our hospital. All 79 cases with rectal symptoms of self-reported patients underwent random smear examination, and 50 of them were compared with pathological sections. . Trial Results: The positive detection rate was 89%. The positive one-time smear success rate was 90%. There was no false positive in the whole group. The smear diagnosis and live