Acanthosis nigricans is often accompanied by obesity. It is a skin disorder generally occurring in the armpits, groin and neck. Patients have hyperkeratosis, hyperpigmentation and papillomatosis. The affected skin has dark or velvety discoloration. It may emit an unpleasant odor. Mucous membrane can also be affected. Genetic, endocrine, drug, and tumor factors may play a role in the incidence and development of this disease. Acanthosis nigricans caused by obesity often can heal on its own after the body weight is reduced. Current or former patients of acanhosis nigricans should pay attention to the absorption of blood sugar. Vitamin A acid is generally believed to be an effective drug.
How is Acanthosis nigricans treated in practice?