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Introduction Epithelioid hemangioendothelioma(EHE)is an uncommon vascular tumor,which also has been called histiocytoid haemangioma.This low-grade malignant tumor was first described as a distinctive entity in 1982 by Weiss and Enzinger.Histopathologically,EHE is charac- terized by round or spindle-shaped endothelial cells with cytoplasmic
Introduction Epithelioid hemangioendothelioma (EHE) is an uncommon vascular tumor, which also has been called histiocytoid haemangioma. This low-grade malignant tumor was first described as a distinctive entity in 1982 by Weiss and Enzinger. Histopathologically, EHE is charactered by round or spindle-shaped endothelial cells with cytoplasmic