Acanthosis nigricans: a flag for insulin resistance

Acanthosis nigricans: a flag for insulin resistance

Objectives: Acanthosis nigricans refers to the velvety, black hyperpigmentation seen in the flexures. It is a cutaneous marker for insulin resistance (IR), some metabolic disorders and rarely malignancy. When secondary to IR, it is asymptomatic, except for the hyperpigmentation. The neck is the most accessible and easiest to grade. Our aim was to identify the predictive value of the grades of a...

Hyperandrogenism-Insulin Resistance-Acanthosis Nigricans Syndrome

Introduction. Female hyperandrogenism is a frequent motive of consultation. It is revealed by hirsutism, acne or seborrhea, and disorders in menstruation cycle combined or not with virilisation signs. Several etiologies are incriminated but the hyperandrogenism-insulin resistance-acanthosis nigricans syndrome is rare. Observation. A 20-year-old girl, having had a five-year-old secondary amenorr...

Epidermal insulin resistance as a therapeutic target in acanthosis nigricans?

Association of acanthosis nigricans and skin tags with insulin resistance.

Insulin resistance is a metabolic disorder in which target cells fail to respond to normal levels of circulating insulin. Insulin resistance has been associated with presence of acanthosis nigricans and acrochordons. It is known that early diagnosis and early initial treatment are of paramount importance to prevent a series of future complications. These dermatoses may represent an easily ident...

Acanthosis nigricans and insulin resistance in overweight children and adolescents.

BACKGROUND Studies have suggested an association between the presence of acanthosis nigricans (AN) and the development of diabetes. OBJECTIVE To investigate the association between AN and insulin resistance (IR) in overweight children and adolescents receiving care at the Center for Childhood Obesity, Campina Grande, PB. METHODS This cross-sectional study was conducted between April 2009 an...