Stephen J. Schueler, M.D.

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Seborrheic Keratosis Overview

What is seborrheic keratosis?
A person with seborrheic keratosis has non-cancerous, rough, brown, raised bumps on the skin. They occur most commonly in the elderly, and occur most commonly on the trunk, followed by the face and hands. The cause of seborrheic keratosis is unknown. It is the most common non-cancerous skin tumor in the elderly.

What are the symptoms of seborrheic keratosis?
Symptoms of seborrheic keratosis include tan, brown, or black skin lesions on the surface of the skin. The skin lesions are round, waxy or greasy, and appear stuck on the skin surface.

How does the doctor treat seborrheic keratosis?
Treatment for seborrheic keratosis includes cryotherapy, electrocautery, or minor surgery to remove the skin lesions.

Continue to Seborrheic Keratosis Incidence

Last Updated: Feb 11, 2010 References
Authors: Stephen J. Schueler, MD; John H. Beckett, MD; D. Scott Gettings, MD
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PubMed Seborrheic Keratosis References
  1. Cashmore RW, Perry HO. Differentiating seborrheic keratosis from skin neoplasm. Geriatrics. 1985 Jul;40(7):69-71, 74-5. [4007500]
  2. Eads TJ, Hood AF, Chuang TY, Faust HB, Farmer ER. The diagnostic yield of histologic examination of seborrheic keratoses. Arch Dermatol. 1997 Nov;133(11):1417-20. [9371026]
  3. Lindelof B, Sigurgeirsson B, Melander S. Seborrheic keratoses and cancer. J Am Acad Dermatol. 1992 Jun;26(6):947-50. [1535080]
  4. Winkelmann RK. Superficial spreading (and disappearing) seborrheic keratosis. Cutis. 1999 Apr;63(4):235-7. [10228754]
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