hemangioendothelioma

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hemangioendothelioma

 [he-man″je-o-en″do-the″le-o´mah]
a rare, well-differentiated endothelial tumor with an appearance between that of a hemangioma and a sarcoma; sometimes considered to be identical to a hemangiosarcoma.

he·man·gi·o·en·do·the·li·o·ma

(hē-man'jē-ō-en'dō-thē'lē-ō'mă),
A neoplasm derived from blood vessels, characterized by numerous prominent endothelial cells that occur singly, in aggregates, and as the lining of congeries of vascular tubes or channels; in the elderly, may be malignant (angiosarcoma or hemangiosarcoma), but in children are benign and probably represent a growing stage of capillary hemangioma. Locally invasive but only rarely metastasize.
[hemangio- + endothelium + G. -oma, tumor]

hemangioendothelioma

/he·man·gio·en·do·the·lio·ma/ (-en″do-the″le-o´mah)
1. a true neoplasm of vascular origin, with proliferation of endothelial cells around the vascular lumen.

hemangioendothelioma

[hēman′jē·ō·en′dōthē′lē·ō′mə] pl. hemangioendotheliomas, hemangioendotheliomata
Etymology: Gk, haima + endon, inside, thele, nipple, oma, tumor
1 also called angioendothelioma. a tumor, consisting of endothelial cells, that grows around an artery or a vein. The benign form occurs in children and is usually cured by local excision. The tumor rarely becomes malignant.
2 malignant hemangioendothelioma. See also angiosarcoma.

he·man·gi·o·en·do·the·li·o·ma

(hē-man'jē-ō-en'dō-thē'lē-ō'mă)
A neoplasm derived from blood vessels, characterized by numerous prominent endothelial cells that occur singly, in aggregates, and as the lining of congeries of vascular tubes or channels; in the elderly, may be malignant (angiosarcoma or hemangiosarcoma), but in children are benign and probably represent a growing stage of capillary hemangioma.
Synonym(s): haemangioendothelioma.

he·man·gi·o·en·do·the·li·o·ma

(hē-man'jē-ō-en'dō-thē'lē-ō'mă)
A neoplasm derived from blood vessels, characterized by numerous prominent endothelial cells that occur singly, in aggregates, and as the lining of congeries of vascular tubes or channels; in the elderly, may be malignant (angiosarcoma or hemangiosarcoma), but in children are benign.
Synonym(s): haemangioendothelioma.

hemangioendothelioma (hē-man´jēōen´dōthē´lēō´mə),

n a malignant tumor formed by proliferation of endothelium of the capillary vessels.

hemangioendothelioma

a hemangioma in which endothelial cells are the predominant component.

malignant hemangioendothelioma
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Funds provided under student financial aid programs created under Title IV of the Federal Higher Education Act account for a large portion of KHE revenues; these funds are provided in the form of federal loans and grants.