This image displays a spider angioma. A spider angioma is a dilated, small capillary. Spider angiomas are bright red, flat, and easily blanch when you press your finger on them. This image displays a typical spider angioma. This image displays a central blood vessel with many "legs" branching from the center typical of spider angioma. This flat spider angioma demonstrates why it is often called a "spider," with tiny blood vessels radiating out from a central larger blood vessel. Spider angiomas are usually deep red but will fade easily when you press on the lesion with your finger.
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Spider Angioma:
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Picture of Spider Angioma: This image displays a spider angioma. Divider line
This image displays a spider angioma.
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Signs and Symptoms
Spider angiomas are most often seen on the face or trunk. They also may be seen on the hands, forearms, and ears. There may be one or several spider angiomas present. Each one is a small (1–10 mm) area of redness, which disappears with direct finger pressure but rapidly returns when the pressure is released. There is often a central red dot and small red lines radiating out from the center.
Last Modified: 20 Dec 2007

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