乳腺浸润性微乳头状癌 (invasivemicropapillarycarcino ma ,IMC)是一种特殊类型浸润性导管癌。IMC有独特的形态学特点和高度的淋巴侵袭性 ,但预后不比普通乳腺癌差。对临床和病理医师而言 ,加强对此独立的亚型肿瘤的正确认识并与预后好的乳腺癌鉴别十分必要。现将本科在活检中 Invasive micro-papillary breast cancer (invasivemicropapillarycarcinoma, IMC) is a special type of invasive ductal carcinoma. IMC has a unique morphological characteristics and a high degree of lymphatic invasion, but the prognosis is not worse than normal breast cancer. For clinicians and pathologists, it is necessary to enhance the correct understanding of this independent subtype of tumor and identify it with a good prognosis of breast cancer. Now undergraduate biopsy