乳腺导管内乳头状瘤(IP)是常见的良性乳腺疾病,多见于40~50岁女性,是发生于导管上皮的一种良性肿瘤。主要症状表现为间歇性乳头溢出血性或棕色浆液性液体,也有患者无明显症状。此病具有一定的癌变率,癌变率可高达14·84%,临床均需采取外科干预,所以及时正确的诊断并恰当的外科 Breast ductal papilloma (IP) is a common benign breast disease, more common in women aged 40 to 50, is a benign tumor that occurs in the ductal epithelium. The main symptoms of intermittent nipple bleeding or brown serous fluid, there are no obvious symptoms in patients. The disease has a certain rate of cancer, the rate of cancer can be as high as 14.84%, the clinical need to take surgical intervention, so timely and correct diagnosis and appropriate surgery