This image displays the velvety-like area of darkened pigment typical of acanthosis nigricans. This image displays a skin fold with a rough, "velvety" appearance typical of acanthosis nigricans. This image displays a neck with darker "velvety" skin typical of acanthosis nigricans in a child. This image displays how acanthosis nigricans can appear to merely be a dirty neck. This image displays a child with armpit acanthosis nigricans as well as juvenile diabetes. This image displays a subtle case of acanthosis nigricans.
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Acanthosis Nigricans:
A parent's guide to condition and treatment information

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Picture of Acanthosis Nigricans: This image displays the velvety-like area of darkened pigment typical of acanthosis nigricans. Divider line
This image displays the velvety-like area of darkened pigment typical of acanthosis nigricans.
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Overview
Acanthosis nigricans is a condition of abnormal thickening and darkening of the skin, especially in body creases. It most commonly occurs in obese people, though it can occasionally be found in people who have more serious health problems or are taking certain medications. Treatment of the medical condition usually cures the skin lesions.
Last Modified: 18 Oct 2007
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