acanthosis nigricans
(nī′grĭ-kănz′, nĭg′rĭ-)- An eruption of velvety wartlike growths accompanied by hyperpigmentation in the skin of the armpits, neck, anogenital area, and groin, occurring in a benign form in children, but associated with internal malignancy or reticulosis in adults.
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The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.