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对２２例大肠多原癌临床资料进行分析，以探讨其与大肠腺瘤的关系。发现：（１）腺瘤分布及腺瘤癌变均以乙状结肠以下多见；（２）癌变率以绒毛状腺瘤最多，依次为混合性腺瘤和管状腺瘤；（３）腺瘤癌变大多数符合恶变特征，但小于１ｃｍ直径以下腺瘤癌变并不具有特征性。为此对腺瘤癌变进行讨论，并认为采取正确方法处理大肠腺瘤是预防和发现大肠多原癌的重要措施
The clinical data of 22 cases of large intestine multi-protocol were analyzed to explore its relationship with colorectal adenomas. Findings: (1) The distribution of adenomas and adenomas were more common below the sigmoid colon; (2) The most common malignant villous adenomas were malignant mixed adenomas and tubular adenomas; (3) Most of adenomas were cancerous. Malignant characteristics, but less than 1cm in diameter, adenoma, cancerous changes are not characteristic. To this end, we discuss the cancerous changes of adenomas and believe that the correct method to treat colorectal adenomas is an important measure to prevent and detect multiple colorectal cancers.