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A spider angioma or spider naevus , also nevus araneus, is a type of telangiectasis found slightly beneath the skin's surface, often containing a central red spot and deep reddish extensions which radiate outwards like a spider's web or a spider's legs. They are common and often benign, presenting in around 10–15% of healthy adults and young children. However, having more than three spider angiomas is likely to be abnormal and may be a sign of liver disease and/or hepatitis C ; it also suggests the probability of esophageal varices.
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