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hemangioma |
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hemangiomaCongenital benign tumour made of blood vessels in the skin. Capillary hemangioma (nevus flammeus, port-wine stain), an abnormal mass of capillaries on the head, neck, or face, is pink to dark bluish-red and even with the skin. Size and shape vary. It becomes less noticeable or disappears with age. Immature hemangioma (hemangioma simplex, strawberry mark), a reddish nub of dilated small blood vessels, enlarges in the first six months and may become ulcerated but usually recedes after the first year. Cavernous hemangioma, a rare, red-blue, raised mass of larger blood vessels, can occur in skin or in mucous membranes, the brain, or the viscera. Fully developed at birth, it is rarely malignant. Hemangiomas can often be removed by cosmetic surgery. hemangioma [hē‚mān·jē′ō·mə] (medicine) A tumor composed of blood vessels. Also known as capillary angioma. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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| Juvenile hemangioma" is well recognized as only a clinical term, since a capillary hemangioma can occur in a juvenile setting, as can a cavernous hemangioma. The most common differential diagnosis is cavernous hemangioma, which is filled with red blood cells and lacks valve structures. There have been 2 cases of a similar cavernous hemangioma of the optic nerve in which growth was documented. |
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