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淋巴上皮瘤样癌(lymphoepithelioma-like carcinoma,LEC)是一种少见的上皮性恶性肿瘤,以淋巴组织显著增生、浸润并包绕未分化癌组织为特征,由Regaud和Schminke于1921年首先命名。LEC可发生于前肠起源的器官,如肺、胃、涎腺、胸腺及纵隔等部位~([1,2])。原发于乳腺的LEC极其罕见,迄今为止国内外仅20余例报道~([3-10])。本文报道2例乳腺淋巴上皮瘤样癌,对其进行组织学观察、
Lymphoepithelioma-like carcinoma (LEC) is a rare epithelial malignancy characterized by lymphoid tissue hyperplasia, infiltration and surrounding undifferentiated carcinoma tissue, first named by Regaud and Schminke in 1921. LEC can occur in organs of the foregut origin, such as lung, stomach, salivary gland, thymus and mediastinum and other parts of ~ ([1,2]). Primary LEC in the breast is extremely rare, so far only 20 cases reported at home and abroad ~ ([3-10]). This article reports 2 cases of breast lymphoepithelioma carcinoma, histological observation,