sclerosing hemangioma

hemangioma /he·man·gi·o·ma/ (he-man″je-o´mah)

1. a benign tumor, usually in infants or children, made up of newly formed blood vessels and resulting from malformation of angioblastic tissue of fetal life.

2. a benign or malignant vascular tumor resembling the classic type but occurring at any age.

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ameloblastic hemangioma  hemangioameloblastoma.

capillary hemangioma 

1. the most common type, having closely packed aggregations of capillaries, usually of normal caliber, separated by scant connective stroma.

2. strawberry h.

cavernous hemangioma  a red-blue spongy tumor with a connective tissue framework enclosing large, cavernous, vascular spaces containing blood.

sclerosing hemangioma  a form of benign fibrous histiocytoma having histiocytic and fibroblastic elements, numerous blood vessels, and hemosiderin deposits.

strawberry hemangioma 

1. a red, firm, dome-shaped hemangioma seen at birth or soon after, usually on the head or neck, that grows rapidly and usually regresses and involutes without scarring.

2. vascular nevus.

venous hemangioma  a cavernous hemangioma in which the dilated vessels have thick, fibrous walls.

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sclerosing hemangioma

n.

See dermatofibroma.

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sclerosing hemangioma

Etymology: Gk, skleros + haima, blood, angeion vessel, oma tumor

a solid cellular tumorlike nodule of the skin or a mass of histiocytes, thought to arise from a hemangioma by the proliferation of endothelial and connective tissue cells.

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sclerosing hemangioma

Lung pathology A benign lesion of ♀ adults characterized by a circumscribed, slowly growing mass of polygonal cells thought to arise from type II pneumocytes with mesenchymal stroma Skin pathology Benign fibrous histiocytoma, see there; aka dermatofibroma, nodular fibrosis