Results There were intraductal papilloma in 45 cases, ductal carcinoma in 5 cases, ductal dilatation in 17 cases, breast duct hyperplasia accompanied chronic mastitis in 3 cases .

• 结果导管内乳头状瘤45例,导管癌5例,导管扩张症17例,导管增生伴炎症3例。