Seborrheic Keratosis (SK’s) are benign lesions that are not cancerous. They tend to start appearing in adulthood and usually increase in number over time. SK’s are not related to sun exposure. They tend to run in families.
SK’s are usually slightly raised, light to tan to dark brown bumps. They are usually rough, scaly, crusty, or warty in appearance. They can increase in size. SK’s tend to be “stuck-on” the skin and many people scratch them off accidentally and harmlessly.
SK’s cannot be prevented from appearing. They do not need to be treated. SK’s can be frozen off with liquid nitrogen, shaved off with a blade, or scraped off with a curette if they are itchy, bleeding, or painful.
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