Hyperandrogenism-Insulin Resistance-Acanthosis Nigricans Syndrome

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...

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...

A Case of Hyperandrogenism, Insulin Resistance, and Acanthosis Nigricans Syndrome; Increase in Proliferating Cell Nuclear Antigen and Decrease in Loricrin in Acanthosis Nigricans

Vol. 28, No. 5, 2016 637 Received May 27, 2014, Revised December 17, 2014, Accepted for publication August 18, 2015 Corresponding author: Yutaka Hatano, Department of Dermatology, Faculty of Medicine, Oita University, 1-1 Idaigaoka, Hasama-Machi, Yufu City, Oita 879-5593, Japan. Tel: 81-97-586-5882, Fax: 81-97-586-5889, E-mail: [email protected] This is an Open Access article distributed unde...

Crouzon syndrome in association with acanthosis nigricans

Crouzon syndrome is a rare inherited autosomal dominant syndrome characterized by craniosynostosis, midface hypoplasia. Acanthosis nigricans may be associated with Crouzon syndrome, but it differs from the classic crouzon syndrome. This is a report of a 30-year-old-woman who presented acanthosis nigricans coexist with crouzon syndrome.

Epidermal insulin resistance as a therapeutic target in acanthosis nigricans?