Color: Tan, brown, yellow, gray, or skin-colored some are very dark brown but may appear black.Seborrheic keratoses may look like warts, moles, or skin cancer. They can occur at any age but are most common after the age of 50 years. Over 80 million people in the United States have seborrheic keratoses. Some individuals may have just one, but there will usually be several. Seborrheic keratoses tend to appear from middle age onwards. Seborrheic keratoses are unlikely to stem from HPV or another virus, according to Dermnet NZ. Warts result from a virus, such as the human papillomavirus (HPV). Seborrheic keratoses can look like warts but are different from warts. Some look black but are, in fact, very dark brown. They often appear on the scalp, trunk, neck, arms, and legs and sometimes occur on the face. They usually appear as tan, brown, yellow, gray, or very dark brown warty growths ‘stuck onto’ the back, shoulders, chest, or face.Īlso known as basal cell papilloma or seborrheic warts, seborrheic keratoses can appear anywhere on the skin except the palms, soles, and mucous membranes. You're also more likely to have them if you have a family history of the condition.Seborrheic keratoses are common, harmless, noncancerous growths on the skin.

The peak time for developing seborrheic keratoses is after your 50s. If you've had one seborrheic keratosis, you're at risk of developing others.Ī seborrheic keratosis isn't contagious or cancerous. This type of skin growth does tend to run in families, so there is likely an inherited tendency. CausesĮxperts don't completely understand what causes a seborrheic keratosis. Also see your doctor if you notice suspicious changes in your skin, such as sores or growths that grow rapidly, bleed and don't heal. See your doctor if the appearance of the growth bothers you or if it gets irritated or bleeds when your clothing rubs against it.

Varied in color, ranging from light tan to brown or black.

Very small growths clustered around the eyes or elsewhere on the face, sometimes called flesh moles or dermatosis papulosa nigra, common on Black or brown skin.

Varied number, ranging from a single growth to multiple growths.Varied size, from very small to more than 1 inch (2.5 centimeters) across.A flat growth or a slightly raised bump with a scaly surface, with a characteristic 'pasted on' look.

A round or oval-shaped waxy or rough bump, typically on the face, chest, a shoulder or the back.

Flat black skin radiosure