Perivascular epithelioid cell tumor of the liver: a case report and literature review

L.-J. Zhao, Y.-J. Yang, H. Wu, S.-M. Huang, K. Liu

Department of Nephrology, Department of Infectious diseases, and Department of Hepatic-Biliary-Pancreatic Surgery; West China Hospital, Sichuan University, Chengdu, Sichuan Province, China. liubusiness@163.com

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• Oncology

Perivascular epithelioid cell tumors (PEComas) are mesenchymal tumors containing variable component of smooth muscles, fat and vessels. They occured pretty rare in the liver and no characteristic of imaging data have been demonstrated up to now. We herein present a case of a 58-year-old man with a hepatic PEComa which was correct diagnosed through immunohistochemical confirmation with HMB-45. The clinicopathological and imaging features of hepatic PEComa were analyzed retrospectively. This is the first paper which demonstrated the characteristic of imaging data among liver PEComas and other liver lesions. However, the diagnostic criteria of PEComa depends on pathology. Hepatectomy is the effective treatment.

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