乳房疾病是临床常见病、多发病 ,按临床分类而言 ,不外乳癌、乳房的良性肿瘤和非肿瘤性病变三大类 ,其中以乳癌最为严重。有报道 :良性乳腺疾病病人的乳癌发生率比常人高1.7～ 4.5倍。临床上 ,良性肿瘤乳管内乳头状瘤、乳房囊性增生病 ,乳房纤维腺瘤 ,都有不同程度的恶变倾向。 Breast disease is a common clinical disease and frequently-occurring disease. According to clinical classification, breast cancer, benign tumor of the breast and non-neoplastic lesions are three major categories, of which breast cancer is the most serious. It has been reported that the incidence of breast cancer in patients with benign breast diseases is 1.7 to 4.5 times higher than that of ordinary people. Clinically, benign intraductal papilloma, breast cystic hyperplasia, and fibroadenoma have varying degrees of malignancy.