Fernando has acanthosis nigricans, a darkening of the skin that appears most prominently around the neck, armpits and elbows.
From the dispatch.com
Mom and I discussed the implications of these skin findings, known as acanthosis nigricans, combined with her daughter's elevated BMI, and the positive family history of Type 2 diabetes.
From the dailyherald.com
Steven P. Higgins and his Duke University colleagues describe acanthosis nigricans as a velvety, brownish-black skin plaque commonly linked to obesity and insulin resistance.
From the dailyherald.com
Acanthosis nigricans happens most commonly in the nape of the neck, the underarms and the groin, but in more severe cases, it can include areas around the eyes or around joints.