A seborrhoeic keratosis is a harmless warty spot that appears during adult life as a common sign of skin aging. Some people have hundreds of them. They are non-cancerous growths that develop on the surface of the skin. They are usually brown in color and often multiply in number and size.
Seborrhoeic keratoses are extremely common. It has been estimated that over90% of adults over the age of 60 years have at least one. They occur in males and females of all races, typically beginning to erupt in the 30s or 40s. They are uncommon under the age of 20 years. They tend to run in families so if you have relatives with seborrheic keratosis, chances are you may develop them as well.
Seborrhoeic keratoses can have a highly variable appearance.
They appear to stick on to the skin surface like barnacles.
Seborrheic keratosis is diagnosed by your dermatologist during physical examination. Your dermatologist may recommend a skin biopsy to confirm the diagnosis.
An individual seborrheic keratosis can be removed easily if desired. Reasons for removal include that it is unsightly, itchy, or catches on clothing.
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