Acanthosis nigricans on the hand

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Acanthosis nigricans on the hand:

This photograph demonstrates brownish, hyperpigmented, velvety plaques overlying the joints of the hands (metacarpal and interphalangeal joints).

Reviewed last on: 7/11/2008
Michael Lehrer, M.D., Department of Dermatology, University of Pennsylvania Medical Center, Philadelphia, PA. Review provided by VeriMed Healthcare Network. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.

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