A member asked:

What is the definition or description of: acanthosis nigricans?

4 doctors weighed in across 3 answers
Dr. Jeremy Eckstein answered

Specializes in Bariatrics

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

Answered 9/21/2015

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Dr. Chuck Shaffer answered

Specializes in Bariatrics

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.

Answered 7/29/2016

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Dr. J. Lawrence Dohan answered

Specializes in Dermatology

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.

Answered 11/28/2017

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