Mammary duct ectasia and galactophoritis were found in 88 cases, papilloma and papillomatosis were found in 46 cases and 2 cases;

• 结果乳管镜检查发现乳管扩张和乳管炎88例，导管内乳头状瘤46例，乳头状瘤病2例，导管疹3例。