[Neoplasms with perivascular epithelioid differentiation].

血管周上皮样细胞分化的肿瘤(neoplasms with perivascular epithelioid differentiation,PEComa)是由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。