乳腺大导管内乳头状瘤多是良性病变，由于有一定的癌变率或术前无法定位，我院既往对此类病人一般行全乳切除术。自1994年起我们通过彩超检查及手术时美甲蓝定位准确地行区段切除术、共治疗乳腺大导管内乳头状瘤8例。1资料一股资料本组病例均为女性。年龄26～53岁。未婚2例。病 Most of the large intraductal papilloma of the breast is a benign lesion. Due to a certain rate of canceration or inability to localize before surgery, our hospital has previously performed a total mastectomy on this type of patient. Since 1994, we have performed color Doppler ultrasound imaging and accurate nail segmentation in 8 cases during breast surgery. 1 data and a piece of information This group of cases are all female. Age 26 to 53 years old. Unmarried 2 cases. disease