Seborrheic keratosis is a benign (noncancerous) skin growth that appears as waxy or scaly black or brown bumps. They most often occur on the face, neck, chest, or back and become more common with age.
What causes seborrheic keratosis?
The cause of seborrheic keratosis is not known. Ultraviolet light may play a role in the development of these lesions, particularly those on the face and in sun exposed areas. Genetics are also thought to play a role, as these lesions often run in families.
How do we treat seborrheic keratosis?
Since seborrheic keratosis is harmless, treating it is primarily for cosmetic reasons. That said, sometimes these lesions can rub on clothing and become irritated. Tenderness or pain would be another reason to remove them.
There is no cream or pill that can prevent or treat these spots, but they can be:
Frozen
Scraped off
Excised surgically
Treated with an electric needle (electrodesiccation)
Removed with a laser
No, seborrheic keratosis is completely benign.
In extremely rare cases of numerous seborrheic keratosis lesions that arise over a very short period of time, they have been associated with internal cancers.
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