Acanthosis Nigricans : Symptoms

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Symptoms could include:
Acanthosis nigricans usually appears slowly and doesn't cause any symptoms other than skin changes. Eventually, dark, velvety skin with very visible markings and creases appears in the armpits, groin, and neck. Sometimes, the lips, palms, soles of...
Source:ADAM
Date:July 27, 2006
Cyanosis is a bluish discoloration of the skin or mucous membranes caused by lack of oxygen in the blood.
Source:ADAM
Date:March 1, 2007
Hyperpigmentation is the increase in the natural color of the skin. Melanin, a brown pigment manufactured by certain cells in the skin called melanocytes, is responsible for skin color.
Source:Gale Encyclopedia of Medicine
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