Spider naevi is the name given to small angiomata which appear on the surface of the skin. It is also sometimes called arterial spider or vascular spider. A spider angioma, also known as a spider nevus or spider telangiectasia, is a small red to purple mark on your skin caused by dilated (wide) blood vessels (capillaries) near the surface of your skin.

Context Explanation

Spider telangiectases are distinct from 'spider veins', which are blue-coloured dilated venules arising on the thighs and lower legs and often associated with varicose veins. Spider angiomas (spider-like blood vessels on the skin) are one of the main symptoms caused by a HCV infection. Discovering an infected patient with hepatitis C early on in the infection phase increases the chances of the virus being successfully treated and cured by oral medication. Spider angioma (spider nevus) is a benign skin lesion that gets its name from its spiderlike appearance.

Insight Material

It's common to have one, but multiple can indicate some health concerns. Nevus araneus, also known as spider angioma or spider nevus, is a common benign vascular lesion present in 10-15% of healthy adults and young children. They may appear as a solitary or... What is a spider angioma? A spider angioma is an enlarged blood vessel in the skin (resembling the body of a spider), from which smaller blood vessels extend (resembling the spider’s legs).

Final Conclusion

A spider nevus is a collection of small, dilated arterioles (blood vessels) clustered very close to the surface of the skin. The cluster of vessels is web-like, with a central spot and...