seborrheic keratosis

What is seborrheic keratosis? Seborrheic keratosis (SK) is a non-cancerous growth that starts from the squamous cells in the epidermis on the surface of the skin. Seborrheic keratosis is a very common condition and is seen more often as people age. Without a microscope, seborrheic keratosis may look like a raised or bumpy area of …
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