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具有血管周上皮样细胞分化的肿瘤(PEComa)是指在组织学和免疫组织化学上有独特表现的血管周上皮样细胞构成的间叶性肿瘤,PEComa在临床上非常少见,近几年笔者收集了4例,本文结合文献对其临床特征进行探讨,旨在提高对该肿瘤的认识。1临床资料2008—2011年在我院确诊的PEComa患者4
PEComa with perivascular epithelioid cell differentiation refers to the mesenchymal tumor composed of perivascular epithelial cells with unique histological and immunohistochemical features. PEComa is clinically very rare. In recent years, the author has collected In 4 cases, this article combined with the literature to explore its clinical features, aimed at raising awareness of the tumor. 1 clinical data 2008-2011 confirmed in our hospital PEComa patients 4