Acanthosis nigricans

Darker, thick, velvety skin in body folds and creases. Rarely can cause itching


Commonest cause: Insulin Resistance (Insulin causes hyperplasia of the skin)
Internal Malignancies can cause this as well

Courtesy:

Avril Nimblett, MS, PA-C

 Acanthosis nigricans in children can be a precursor of type 2 diabetes

Image from Wikipedia