533例大肠息肉的临床病理分析

Pathological analysis of 533 cases of large bowel polyps

５３３例大肠息肉中绒毛状腺瘤５．８％，管状腺瘤４５．８％，管状绒毛状腺瘤１．１％。炎性息肉３７．７％，幼年性息肉４．３％，多发性腺瘤病３．９％，增生性息肉０．９％，Ｐｅｕｔｚ－Ｊｅｇｈｅｒｓ氏综合征０．４％。总癌变率为６．４％。认为腺瘤和多发性腺瘤病，特别是绒毛状腺瘤，是重要的癌前病变。大肠腺瘤的癌变潜能与组织类型，不典型增生程度、腺瘤大小和年龄有关。炎性息肉、幼年性息肉和增生性息肉无癌变。

he pathology of 533 cases of the large bowel polyps were analyzed. The pathological classifications were as the following:villous adenomas 5.8%,tibular adenomas 45.8%,tubular and villous adenomas 1.1%,inflammatory polyps 37.7%,juvenile polyps 4.3%, multiple adenomatosis 3.9%,hyperplastic polyps 0.9%,and Peutz-Jeghers syndrome 0.4%.The malignant changes were discussed.