Korean J Obstet Gynecol.  1999 Mar;42(3):622-624.

A Case of HAIR - AN Syndrome

Abstract

Polycystic ovary disease is a heterogenous endocrinopathy with many interacting causal factors. One potential such factor is chronic hyperinsulinemia. multiple, independent lines of evidence suppart the contention that chronic hyperinsulinemia causes ovarian hyperandragenism. This evidence includes: (1) mutations in the insulin receptor gene that cause severe hyperinsulinemia appear to be associated with ovarian hyperandrogenism, (2) insulin stimulates ovarian thecal and sttomal androgen seaetion in vitro, and (3) in some experimental models, manipulation of circulating insulin concentrations results in changes in circulating androgens. Although the association between hyperinsulinemia and hyperandrogenism remains to be fully explained at the molecular level, chronic hyperinsulinemia appears to be an important cause of hyperandrogenism. We have experienced a case of HAIR AN syndrome showing hyperandrogenism, insulin resistance and acanthosis nigricans in infertile patient. So we report this case with a brief review of literatures.

Keyword

Hyperandrogenism; Insulin resistance; Acanthasis nigricans

MeSH Terms

Acanthosis Nigricans
Androgens
Female
Fibrinogen
Hair*
Humans
Hyperandrogenism
Hyperinsulinism
Insulin
Insulin Resistance
Models, Theoretical
Ovary
Receptor, Insulin
Androgens
Fibrinogen
Insulin
Receptor, Insulin
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