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- W2348573616 abstract "Objective:To study the clinicopathological and immunohistochemical features of hepatic malignant vascular tumors. Methods:H E and immunohistochemistry were used to study 6 angiosarcoma and 5 epithelioid hemangioendothelioma (EHE) of the liver. Patients were aged 0.5 68 years, 7 were females and 4 were males. Results:Patients presented with nonspecific symptoms. Macroscopically,the tumors were usually multiple (3 13.7 cm in diameter) and were frequently hemorrhagic and multinodular. Histologically,there was a wide morphologic spectrum among cases. Six angiosarcoma included areas similar to cavernous and capillary hemangioma,spindle cell and epithelioid sarcoma. In the hepatic EHE,the tumor were comprised of dendritic and epithelioid cells that often contained vacuoles representing intracellular lumina. The stroma was fibrous with myxohyaline areas. Immunohistochemically,all tumors were positive for at least one endothelial marker(factor Ⅷ related antigen and /or CD 34 ). Conclusion:Hepatic malignant vascular tumor is very rare, the angiosarcoma of the liver is highly malignant with short survival. The prognosis of EHE is usually much better than that of angiosarcoma, surgical resection can obtain prolonged survival. The diagnosis can be made based on histological and immunohistochemical features of the tumor." @default.
- W2348573616 created "2016-06-24" @default.
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- W2348573616 date "2002-01-01" @default.
- W2348573616 modified "2023-09-25" @default.
- W2348573616 title "Clinicopathological study on primary malignant vascular tumors of liver" @default.
- W2348573616 hasPublicationYear "2002" @default.
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