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  • Title: Primary hepatic epithelioid hemangioendothelioma: case report.
    Author: Shen CH, Tsai MH, Chen TC, Liu NJ, Sheen IS.
    Journal: Changgeng Yi Xue Za Zhi; 1999 Sep; 22(3):486-91. PubMed ID: 10584423.
    Abstract:
    Hepatic epithelioid hemangioendothelioma (HEH) is a very rare vascular tumor of the liver. It usually affects adult women and presents as multiple hepatic nodules with mainly peripheral distribution. It poses special difficulties for clinicians in its diagnosis and treatment because of its non-specific clinical manifestations and findings on imaging, and it is easy to be misdiagnosed pathologically. Its clinical course and prognosis are variable but supposed to be intermediate between hemangioma and angiosarcoma. The primary treatments of choice are radical resection or liver transplantation. We report a 62-year-old man with right upper quadrant abdominal pain of several days' duration, who was initially misdiagnosed as having a liver abscess. Finally, HEH was diagnosed on the basis of positive immunohistochemical staining for factor VIII-related antigen in tumor cells. This case could serve to highlight the pitfalls in diagnosing this rare tumor. Increasing the index of suspicion and familiarity with the radiological and histological characteristics of this tumor would facilitate the accurate diagnosis and thus avoid unnecessary interventions.
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