• Miescher syndrome: hereditary benign and may appear at birth or during adolescence. Early lesions may show unilateral.
• Carteaud Gougerot syndrome: a benign and possibly inherited condition that affects young women.
• Pseudoacanthosis nigricans: This is the most common type. It is a benign juvenile form associated with obesity and endocrine disorders.
• Acanthosis evil: he named for the association with a highly aggressive internal malignancy and rapidly fatal course, particularly the gastrointestinal tract. The appearance of acanthosis nigricans to the search of a neoplasm, usually gastric in 69% of cases.
• Hirschowitz syndrome: family comprises a complete deafness developed in childhood, a progressive demyelination of the peripheral sensory nerves, loss of antral motility and multiple diverticula in the ileum.
• Syndromic Acanthosis nigricans: There are two types: A and B.
- Type A: appears in young women with signs of virilization or accelerated growth. It is also called HAIR-AN syndrome (hyperandrogenemia, insulin resistance and acanthosis nigricans).
- Type B: Type B normally starts around age 40. The patients have acanthosis nigricans of varying severity. They showed an uncontrolled diabetes mellitus, and in premenopausal women, an ovarian hyperandrogenism.
Tags: Acanthosis Nigricans, Skin Care, Skin Problems, Types of acanthosis nigricans
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