hemangioendothelioma/ulex europaeus

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Puslapis 1 nuo 38 rezultatus

Epithelioid hemangioendothelioma of skin and soft tissues: clinicopathologic and immunohistochemical study of 30 cases.

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Epithelioid hemangioendothelioma of soft tissues (EHE) represents a distinct entity with an unpredictable clinical course. We analyzed the clinicopathologic and immunohistochemical features in a series of 30 patients. Patient age range was 16-74 years (median 50); 18 of 30 patients were female.

Affinity cytochemistry of vascular endothelia in brain tumors by biotinylated Ulex europaeus type I lectin (UEA I).

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The vascularization of 50 tumors of the central nervous system (CNS) including 17 meningiomas, 25 neuroectodermal tumors, i.e., astrocytomas, oligodendrogliomas, mixed gliomas, glioblastomas, medulloblastomas, seven metastatic carcinomas, and one malignant hemangioendothelioma were investigated

The growth of two murine hemangioendotheliomas intracranially, subcutaneously, and in culture, and their comparison with human cerebellar hemangioblastomas: morphological and immunohistochemical studies.

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Two thorium dioxide-induced murine hemangioendotheliomas, 42021 TCT and 44347 TST, were grown subcutaneously (for up to 22 and 15 passages respectively) or intracranially (single passage) and were adapted to culture as a monolayer and, in a limited fashion, in an organ culture system or in rotary

Spindle cell hemangioendothelioma: a report of two cases.

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Two cases of spindle cell hemangioendothelioma (SCH) are reported. One of the patients was a 16 year old Japanese female, who had been suffering from Ollier's disease (multiple enchondromatosis) since 3 years of age and had developed multiple SCH in the right leg at the age of 11 years. Spindle cell

Infantile hemangioendothelioma of the liver in a neonate. Immunohistochemical observations.

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The study documents the immunohistochemical features of a case of infantile hemangioendothelioma (IHE) of the liver, which was found incidentally at autopsy in a 44-day-old girl. A precardial apical systolic murmur and hepatomegaly were found on day 4 of life. The tumor was multifocal and

Intraosseous epithelioid hemangioendothelioma of the mandible: a case report with an immunohistochemical study.

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Epithelioid hemangioma is the prototype of a group of vascular tumors characterized by epithelioid endothelial cells. Hemangioendothelioma of bone is a rare lesion that constitutes less than 0.5% of primary malignant skeletal tumors. We report and discuss a case of epithelioid hemangioendothelioma

Endovascular papillary angioendothelioma-like tumour associated with lymphoedema.

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A case of endovascular papillary angioendothelioma-like tumour associated with lymphoedema is described. Microscopically, the tumour was composed of anastomosing vascular channels, some of which contained papillary projections, producing tuft-like or glomeruloid appearances. The dermis also showed

Aggressive epithelioid hemangioendothelioma of the lower extremity: a case report and review of the literature.

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A case of epithelioid hemangioendothelioma (EHE) of the left lower extremity in a 50-year-old male is discussed. The neoplasm presented as a tan-purple, painful mass involving the fourth digit of the left foot. Following an excisional biopsy and partial amputation of the fourth digit, the lesion

Primary intraoral epithelioid hemangioendothelioma presenting in childhood: review of the literature and case report.

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Epithelioid hemangioendothelioma (EH) is a recently described vascular neoplasm of borderline or intermediate malignant potential. This tumor arises from medium- to large-sized vessels, primarily involves the soft tissues of the extremities as well as the liver and lung, and rarely occurs in the

Studies of the endothelial origin of cells in systemic angioendotheliomatosis and other vascular lesions of the brain and meninges using ulex europaeus lectin stains.

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Ulex europaeus agglutinin I (UEA-I) is a plant lectin which binds specifically to alpha-L-fucose moieties on the surface glycoproteins of human endothelial cells. The binding is completely inhibited by preincubation of the lectin with fucose. UEA-I can be conjugated directly to fluorescein or

[Epithelioid hemangioendothelioma of the liver (case report)].

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Epitheliolid hemangioendothelioma of the liver is a very rare vascular tumor. We report the case of this tumor found during the autopsy of a 74-year-old man. The liver was infiltrated by multiple greyish nodes (diam. 3-30 mm), partially calcified. Microscopically, the tumor was composed of dense

Ultrastructural and immunohistochemical study of epithelioid hemangioendothelioma of bone: coexpression of epithelial and endothelial markers.

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Four cases of epithelioid hemangioendothelioma of bone--a borderline malignant tumor of vascular origin--were studied ultrastructurally and immunohistochemically. The epithelioid tumor cells were positive for vimentin, polyclonal and monoclonal cytokeratins, and the endothelial markers factor

Immunohistochemical study of epithelioid hemangioendothelioma in the leg: a case report.

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Epithelioid hemangioendothelioma is a relatively rare lesion. Although its histogenesis has been well described, its immunohistochemical characteristics remain controversial. A case of epithelioid hemangioendothelioma of the soft tissue of the right leg in a 67-year-old Chinese woman is reported.

Epitheloid hemangioendothelioma of the scalp. A case report with immunohistochemical and ultrastructural study.

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A case of an epitheloid hemangioendothelioma of the skin and subcutaneous tissue of the scalp is described. Clinically and histologically a (metastatic) carcinoma had been considered in differential diagnosis. Of great help in recognition of the endothelial nature of this tumor was the

Epithelioid hemangioendothelioma of the brain.

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Prisijungti Registracija

Epithelioid hemangioendothelioma is a recently described vascular neoplasm characterized by epithelioid tumor cells and borderline biologic behavior. Its four principal sites of occurrence are the soft tissue, liver, lung, and bone. We report a case of primary cerebral epithelioid

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