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大肠息肉包括瘤性和非瘤性两大类.瘤性息肉腺瘤(adenoma),具有恶变潜能,可再分为管状(tubular)、绒毛状(villous)及混合性(tubulovillous)三种.非瘤性息肉计有炎性、幼年性、增生性、化生性、良性淋巴管性、缺陷瘤性及炎性肠病之假性息肉等等,无恶变能力.本文就腺瘤的恶变、恶性腺瘤的诊断及处理、腺瘤切除在大肠癌预防中的应用三方面国内外研究进展作一综述.
Colorectal polyps include both neoplastic and non-neoplastic types. Tumorous polyadenomas (adenoma) have malignant potential and can be further divided into tubular, villous, and tubulovillous. Tumorous polyps have inflammatory, juvenile, proliferative, metaplastic, benign lymphangiogenic, degenerate, and pseudopolyps of inflammatory bowel disease, etc., and have no malignancy. This article describes the malignant and malignant glands of adenomas. The diagnosis and treatment of tumor, the application of adenoma resection in the prevention of colorectal cancer in three aspects of research progress at home and abroad for a review.