Stephen J. Schueler, M.D.

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Seborrheic Keratosis Evaluation

The evaluation of seborrheic keratosis begins with a history and physical examination.

Physical findings in someone with seborrheic keratosis include one or more skin lesions that are:

  • Tan, brown, or black
  • On the trunk, face or hands
  • Greasy or waxy in appearance
  • Round or oval
  • Raised:
    • May appear stuck on the skin
  • Sharp edges with well-defined borders
  • Numbers of lesions increase with age

Usually, tests are not necessary to make the diagnosis of seborrheic keratosis.

Tests that may be used to evaluate seborrheic keratosis include:

Continue to Seborrheic Keratosis Treatment

Last Updated: Jul 8, 2009 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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