Objective To study the morphologic classification of mammary ductal hyperplasia, and its criteria and the significance in distinguishing atypical hyperplasia from carcinoma-in-situ. 目的探讨各种类型乳腺增生症的发病特点、形态学分类、不典型增生与乳腺癌的关系以及不典型增生与乳腺原位癌的鉴别诊断标准。
Clinicopathologic study of breast cancer with features of endocrine ductal carcinoma-in-situ 乳腺神经内分泌型导管内癌