Angiokeratomas are small, benign vascular lesions that appear as dark red, purple, or black raised spots on the skin. They are formed by dilated blood vessels near the surface combined with a thickened outer layer of skin. These lesions can occur in various areas of the body, including the trunk, extremities, or genital region. While medically harmless, they may become more noticeable over time and are sometimes mistaken for other types of lesions.
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What Causes Angiokeratomas?
Angiokeratomas develop when small blood vessels near the surface of the skin become dilated and are accompanied by a thickened outer skin layer. Over time, factors such as increased vascular pressure, aging, and genetics can contribute to their formation. Although benign, their darker color and raised appearance often lead patients to seek evaluation or treatment.
Treatment of angiokeratomas focuses on safely targeting the vascular component while preserving surrounding skin. Laser treatments are commonly used to selectively treat the dilated blood vessels, allowing the lesions to fade over time. Because these lesions can vary in size, thickness, and location, treatment is tailored to the individual. Careful technique is important to minimize the risk of skin changes and achieve the best cosmetic outcome.