Seborrheic Keratosis

Seborrheic Keratosis

Seborrheic keratosis is a benign skin growth that many people get with age. Causes include genetics and sun exposure. Seborrheic keratosis may range in color from white to black, though most are brown. They can be big or small, rough, or smooth. If the appearance of seborrheic keratoses bothers you, doctors can remove it by freezing, cutting, or burning it off.

Frequently Asked Questions

Seborrheic keratosis is a common noncancerous skin growth. People tend to get more of them as they get older. Seborrheic keratoses are usually brown, black, or light tan. The growths look waxy, scaly, and slightly raised.

It’s not clear what exactly causes seborrheic keratoses. They tend to run in families, so genes may be a cause. Normal skin aging plays a role because the growths are more common with age. Too much sun exposure may also play a role.

Symptoms of Seborrheic Keratosis are limited to discolored skin lesions that appear to be “stuck on” the skin surface. These patches may appear suddenly, may vary in size, and tend to grow slowly. … The skin lesions may also be waxy, scaling, or crusted. They tend to become darker and larger with age.