关于结肠癌的发生,有一部分系由先期存在的大肠息肉癌变而成。其所占的比例, 则因报告者的观点和根据不同,互相间有一定的差异。高分化腺癌、结肠息肉的不典型增生以至癌变,常是病理工作者的难题,临床有赖病理检查来确诊。我们应用大肠癌单克隆抗体Hb_3间接免疫萤光法鉴别结肠癌和 About the occurrence of colon cancer, there is a part of the pre-existing colon polyposis. The proportion of them is due to differences in the opinions and foundations of the reporters and there are certain differences between them. Well-differentiated adenocarcinoma, colon dysplasia, atypical hyperplasia and even cancerous lesions are often the problems of pathologists. Clinically, pathological examinations are used to confirm the diagnosis. We used colon cancer monoclonal antibody Hb_3 indirect immunofluorescence to identify colon cancer and