本文讨论了经纤维结肠镜检出的36例(38颗)早期大肠癌的临床及内窥镜检查特征,诊断方法及要点,处理原则和随访结果。在一组经结肠镜检出的237例大肠癌中早期癌36例(38颗),占15.2％。鉴于本组均为恶变腺瘤,文章认为大肠早期癌的诊断重点是发现恶变腺瘤。早期大肠癌诊断的5点线索包括:(1)体积大于2.0cm的腺瘤; This article discusses the clinical and endoscopic features of 36 cases (38) of early colorectal cancer detected by fiber colonoscopy, diagnosis methods and principles, treatment principles and follow-up results. Among a group of 237 cases of colorectal cancer detected by colonoscopy, 36 (38) were early cancers, accounting for 15.2%. In view of this group are malignant adenomas, the article believes that the diagnosis of early cancer of the large intestine is focused on the discovery of malignant adenomas. The five clues for early colorectal cancer diagnosis included: (1) adenomas larger than 2.0 cm in size;