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Telangiectasis

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Definition: Permanent dilation of preexisting blood vessels (CAPILLARIES; ARTERIOLES; VENULES) creating small focal red lesions, most commonly in the skin or mucous membranes. It is characterized by the prominence of skin blood vessels, such as vascular spiders.  note specifics; CAPILLARY TELANGIECTASIA, BRAIN and PONTINE CAPILLARY TELANGIECTASIAS see CENTRAL NERVOUS SYSTEM VASCULAR MALFORMATIONS are also available   
Examples Ataxia Telangiectasia; CREST Syndrome; Retinal Telangiectasis; Telangiectasia, Hereditary Hemorrhagic 		Other names Spider Veins; Veins, Spider; Vein, Spider; Telangiectasias; Telangiectases; Spider Vein; Telangiectasia
 
SubstanceCAS Registry & nameCategoriesSource
Glomerulonephritis sparse hair telangiectases  0   *Alopecia *Telangiectasis *Glomerulonephritis, Membranoproliferative.
Cutis marmorata telangiectatica congenita  0   *Telangiectasis/congenital *Skin Diseases, Vascular.
Megalencephaly cutis marmorata telangiectatica congenita  0   *Abnormalities, Multiple *Telangiectasis/congenital *Skin Diseases, Vascular *Macrocephaly.
Epilepsy telangiectasia  0   *Dysgammaglobulinemia *Epilepsy *Intellectual Disability *Telangiectasis.

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