This photograph demonstrates the hyperpigmented, brownish, velvety
lesions of acanthosis nigricans. This skin condition may occur in
skin folds such as the axilla (armpit - pictured here), neck, and
other areas. In adults, it may be associated with hormonal
problems, internal malignancy, obesity, and drugs.
Review Date: 09/11/2010
Reviewed By: Linda J. Vorvick, MD, Medical Director, MEDEX Northwest Division of
Physician Assistant Studies, University of Washington, School of
Medicine; and Roy Colven, MD, Dermatologist, Associate Professor of
Medicine, University of Washington Medical School, Seattle,
Washington. Also reviewed by David Zieve, MD, MHA, Medical
Director, A.D.A.M., Inc.
A.D.A.M., Inc. is accredited by URAC, also known as the American Accreditation HealthCare Commission (www.urac.org)
