What is the definition or description of: acanthosis nigricans?

Acanthosis nigricans: Darker areas of skin localized around the neck. That are sometimes related to Insulin resistance and/or diabetes type 2.

acanthosis nigrican: Acanthosis nigricans is a sign Insulin resistance, which leads to increased circulating Insulin levels. Insulin spillover into the skin results in its abnormal increase in growth (hyperplasia of the skin)..Obesity can lead to acanthosis nigricans, as can some endocrine disorders. It is often found in people with obesity-related Insulin resistance. Some medicines, particularly hormones such as h.

Dark, velvety skin: Mostly seen around the neck but also under the arm or other places. It may be a sign of Insulin resistance and is most common among dark-skinned obese children.. It usually improves with weight loss. Rarely it is a sign of cancer.