THE MERCK MANUAL: The Merck Manual of Diagnosis and Therapymultimedia

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  • Seborrheic Keratoses
  • Seborrheic Keratosis

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    Seborrheic Keratosis

    Seborrheic keratoses are benign pigmented lesions. Cause is unknown. They tend to develop in older people and have a stuck-on appearance with a verrucous, velvety, waxy, scaly, or crusted surface.

    Image provided by Thomas Habif, MD.