Acanthosis nigricans literally means thickening or darkening of the skin.
It is often seen in the neck, axilla, groin, and abdomen. In darker tanned individuals, Acanthosis nigricans can present as darker lines, patches, or skin tags, black spots on the face and neck etc.
Causes of Acanthosis
Skin tags are actually one of the commonly associated conditions with Acanthosis. According to Dr. Prab R. Tumpati, MD, skin tags, and acanthosis are early signs of the body compensating to the process called insulin resistance that causes excess weight gain in the tummy and upper part of the body.
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