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Alternative names Return to top
Benign skin tumors - keratosis; Keratosis - seborrheic; Senile keratosisDefinition Return to top
Seborrheic keratosis is the presence of benign wart-like growths on the surface of the skin.Causes, incidence, and risk factors Return to top
Seborrheic keratosis is a benign form of skin tumor. The origin is unknown. It commonly appears after age 40.Symptoms Return to top
Signs and tests Return to top
Diagnosis is based primarily on the appearance of the growths. A skin lesion biopsy may be used to confirm the diagnosis.Treatment Return to top
Treatment is usually not required unless the growths become irritated or are cosmetically displeasing.Expectations (prognosis) Return to top
Seborrheic keratosis is a benign and usually painless condition. Removal of the growths is simple and usually does not result in scars. However, growths on the trunk often leave lighter-colored skin. Particular growths usually do not recur after removal, but people who are prone to this condition may develop more in the future.Complications Return to top
Calling your health care provider Return to top
Call for an appointment with your health care provider if you have symptoms suggestive of seborrheic keratosis.
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Page last updated: 28 October 2004 |