Keywords: Spider telangiectasis, Face
A spider telangiectasis (plural: telangiectases) is composed of dilated blood vessels, and is clinically characterised by its spider-like appearance. It is given that name because it has a central red papule (the body of the 'spider') from which fine red lines (the spider legs) extend radially. An alternative explanation for the name explains that the red lines form a spider-like network. Other names for spider telangiectasis are spider angioma (a misnomer), spider naevus and naevus araneus.
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