A spider angioma is a dilated, small capillary. This image displays a central blood vessel with many "legs" branching from the center typical of spider angioma. This spider angioma is seen on a background of sun damage on the cheek, with multiple small linear veins nearby. This flat spider angioma demonstrates why it is often called a "spider," with tiny blood vessels radiating out from a central larger blood vessel. As displayed in this image, an angioma can sometimes just look like a red bump, with subtle, tiny radiating blood vessels around it. This image displays a central large blood vessel with linear legs radiating outwards typical of spider angioma.
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Spider Angioma:
Information for adults

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Picture of Spider Angioma: A spider angioma is a dilated, small capillary. Divider line
A spider angioma is a dilated, small capillary.
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Self-Care Guidelines
Spider angiomas may disappear as children get older, and women who are pregnant or on birth control pills may see improvement after they are no longer affected by hormones, but they usually are long lasting in adults.

No self-care treatment is needed, unless desired for the cosmetic appearance.
When to Seek Medical Care
  • See your doctor if the area bleeds repeatedly or begins to grow in size or change in color. 
  • If you suddenly develop many lesions, tell your physician. 
  • If you have any sign or particular risk of liver disease (such as yellow skin color, swollen belly, or a history of heavy alcohol use), seek medical care.
Last Modified: 29 Feb 2008

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