Canadian Medical Guide > Diseases > Cardiovascular Diseases > Vascular Diseases > Telangiectasis Terms and Definitions




Telangiectasis

Medical Definition: Permanent dilation of preexisting blood vessels (capillaries, arterioles, venules) creating small focal red lesions, most commonly in the skin or mucous membranes.
Guide Notes: note specifics; CAPILLARY TELANGICTASIA, BRAIN and PONTINE CAPILLARY TELANGIECTASIAS see CENTRAL NERVOUS SYSTEM VASCULAR MALFORMATIONS are also available
Also Called: Spider Veins
Telangiectasis Categories.
Canadian Medical Guide Definition Telangiectasia, Hereditary Hemorrhagic - An autosomal dominant vascular anomaly characterized by the presence of multiple small telangiectases of the skin, mucous membranes, gastrointestinal tract, and other organs, associated with recurrent episodes of bleeding from affected sites and gross or occult melena. (Dorland, 27th ed)

Telangiectasis Medical Definitions and Terms

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