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Unilateral Nevoid Telangiectasia

Background

Unilateral nevoid telangiectasia (UNT) is a cutaneous condition consisting of congenital or acquired patches of superficial telangiectases in a unilateral linear distribution. Described in 1899 by Blaschko, its segmental pattern suggests a mechanism of somatic mosaicism apparent early in life or unmasked in states of relative estrogen excess, such as that in pregnancy or in chronic liver disease.

Also see Ataxia-Telangiectasia and Generalized Essential Telangiectasia.

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