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A 47-year-old member asked:

What are seborrheic keratosis? why do people get them? can they be stopped?

2 doctor answers2 doctors weighed in
Dr. Allen Tong
Internal Medicine 14 years experience
Benign skin growths: Seborrheic keratosis (sks) are common, benign (non-cancerous) tumors of the skin cells. They usually develop in adults over 50 and appear as stuck on, scaly, warts. (google image search will give you some examples). The cause of sks are not exactly known though they tend to run in some families suggesting genetics may partly play a role. There is no way to prevent them.
Dr. Michael Fisher
Dermatology 32 years experience
Seborrheic keratosis: A seborrheic keratosis usually appears as a brown, black or pale growth on the face, chest, shoulders or back. The growth has a waxy, scaly, slightly elevated appearance. Occasionally, it appears singly, but multiple growths are more common. Seborrheic keratoses don't become cancerous, but they can look like skin cancer. They are genetic so you can not stop them.

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Last updated Jan 6, 2020
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