Stephen J. Schueler, M.D.

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Acquired Acanthosis Evaluation

The evaluation of acanthosis nigricans begins with a medical history and physical examination.

Physical findings in someone with acanthosis nigricans include:

  • Skin lesions:
    • Light brown to black patches of skin
    • May be located on the neck, under the arms, and in the groin

A skin biopsy may be performed to confirm the diagnosis, and to exclude underlying skin cancer.

Tests that may be used to evaluate acanthosis nigricans include:

Continue to Acquired Acanthosis Treatment

Last Updated: Nov 9, 2010 References
Authors: Stephen J. Schueler, MD; John H. Beckett, MD; D. Scott Gettings, MD
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PubMed Acquired Acanthosis References
  1. Hermanns-Le T, Hermanns JF, Pierard GE. Juvenile acanthosis nigricans and insulin resistance. Pediatr Dermatol. 2002 Jan-Feb;19(1):12-4. [11860562]
  2. Matsuoka LY, Wortsman J, Gavin JR, Goldman J. Spectrum of endocrine abnormalities associated with acanthosis nigricans. Am J Med. 1987 Oct;83(4):719-25. [3674058]
  3. Olson KK. Acanthosis nigricans. A guide to assessment and evaluation. Adv Nurse Pract. 2004 Dec;12(12):24-6. [15615216]
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