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acanthosis nigricans in Medicine

acanthosis nigricans

(nīgrĭ-kănz′, nĭgrĭ-)
n.
  1. 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.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.