【摘要】

    目的：分析肝脏血管周上皮样细胞肿瘤(PEComa)的MRI特点。方法：回顾性分析经手术病理证实的17例(共17枚病灶)肝脏PEComa患者的MRI资料。结果：17例患者均为单发病变，病灶最大径在2.0cm-6.8cm。结论：含或不含脂肪的边界清楚的类圆形富血供肿块，“快进慢出型”强化特征，病灶内出现血管影或边缘供血动脉，对于肝脏PEComa有一定诊断价值。

    【关键词】肝肿瘤;血管周上皮样细胞肿瘤;磁共振成像

    [Abstract]

    Objective：To analyze the MRI characteristics of hepatic perivascular epithelioid cell tumor (PEComa). Methods：Retrospective analysis of MRI data of 17 patients with liver PEComa (17 lesions) confirmed by operation and pathology. Results： All the 17 patients had single lesions， and the largest diameter of the lesions was 2.0cm-6.8cm. Conclusion： A round-shaped blood-rich mass with or without fat and a clear border ......