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一、本文对1978年1～4月浙江省大肠癌协作组在海宁县庆云等三个公社进行第二次普查发现的大肠肿瘤性息肉348例进行了病理学分析。为了观察息肉在自小到大的发展过程中,腺上皮细胞及腺管增生、间变和癌变的演变情况)作者将全部息肉按大小分成1～2.9mm、3～3.9mm、4～4.9mm、5～5.9mm及>10mm五组,并另取20例非息肉大肠粘膜及50例大肠腺癌作为对照。二、通过对照观察发现大肠息肉的生长及间变过程有如下特点:①随着息肉增大,肠腺
I. The pathological analysis of 348 cases of colorectal neoplastic polyps found in the Second General Survey of the Qinghai Colorectal Cancer Cooperative Group in Qingyun and other three communes in Haining County between January and April 1978 was performed. In order to observe the development of polyps during the development from small to large, the evolution of glandular epithelial cells and duct proliferation, metastasis, and carcinogenesis) The author divided all polyps into 1 to 2.9mm, 3 to 3.9mm, and 4 to 4.9mm in size. , 5 ~ 5.9mm and> 10mm five groups, and another take 20 cases of non-polyposis colon mucosa and 50 cases of colorectal adenocarcinoma as a control. Second, through the control observation found that the colorectal polyps growth and metamorphosis process has the following characteristics: 1 with polyps increases, intestinal glands