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This group contains additional names: - Spider Naevus
A spider angioma (also called spider nevus, nevus araneus) is a skin lesion made up of a cluster of dilated blood vessels. The name spider angioma refers to the appearance of a web-like lesion, with a central spot and radiating vessels. Spider angiomas can be caused by a number of reasons, including sun exposure, old age, hormonal changes (e.g. during pregnancy) or liver disease. In most cases, Spider angiomas are not a concern, but can be an aesthetic nuisance.
3 people with Spider Angioma
Spider angiomas are commonly found on the face, neck and upper part of the trunk. Sometimes they may cause local discomfort but most often they are completely asymptomatic. A unique feature of spider angiomas is their disappearance when pressed (a phenomenon resulting from the short-term emptying of the blood vessels that form it).
A diagnosis of a spider angiomas is easily made on a physical examination by a doctor. The doctor will ask you about your medical background, looking for possible cause of the angiomas’ appearance. In some cases, blood tests will be required to rule out a liver-related cause.
Since most spider angiomas are medically insignificant, they do not need to be treated. If they are a cosmetic nuisance, there are various ways to eliminate them (for example with the help of a series of laser treatments).
☝ We provide information on prescription and over-the-counter medicines, diagnosis, procedures and lab tests. This material is provided for educational purposes only and is not medical advice, diagnosis or treatment.
National Institutes of Health ∙ World Health Organization ∙ MedlinePluse ∙ Centers for Disease Control and Prevention
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