نتایج جستجو برای: hemangioendothelioma
تعداد نتایج: 1167 فیلتر نتایج به سال:
Composite hemangioendothelioma is a rare vascular tumor; only 12 cases have been previously described in the extremities, tongue and axilla. We report the first case of composite hemangioendothelioma of the mediastinum in a 50-year-old woman. She was admitted to our hospital with dyspnea and cough lasting for two months. Her chest roentgenogram and computed tomography showed a 6 x 4 x 3 cm mass...
Hemangioendothelioma is a rare vascular tumor of intermediate malignant potential. Though epithelioid hemangioendothelioma (EH) is commonly found in soft tissues, it has been known to be present in skeletal tissues. The authors present a case of a 50-year-old woman diagnosed with EH of the iliac bone and acetabulum, who experienced pathological fracture at presentation. This report describes a ...
The transformation of a benign hemangioma into a malignant angiosarcoma has been rarely reported, with only 11 cases reported in the literature. There have been no reports of malignant transformation of hemangioma into angiosarcoma in association with epithelioid hemangioendothelioma, to our knowledge. The existence of precursor malignancies in the tumorigenesis of sarcomas is still not clearly...
epithelioid hemangioendothelioma (ehe) is a rare neoplasm of vascular origin which arises preferentially in soft tissue and bone, and rarely in the liver. its vascular nature is confirmed by positive staining for factor viii-related antigen and other endothelial cell markers (cd31, cd34) in addition to the pathologic characteristics of well-developed basal lamina, pinocytotic vesicles, and, mor...
Tufted hemangiomas are relatively rare benign vascular proliferations that are congenital or appear during the first years of life. Herein we present an additional case of tufted hemangioma that appeared one year after birth and discuss its histopathological criteria and differential diagnosis with malignant vascular proliferations including sarcoma Kaposi, angiosarcoma and kaposiform hemangioe...
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