Hair-an syndrome E28.2

Author: Prof. Dr. med. Peter Altmeyer

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Last updated on: 01.01.2022

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Acronym for hyperandrogenemia (HA), insulin resistance (IR), acanthosis nigricans (AN). The clinical picture is further characterized, like PCOS (polycystic ovary syndrome), by persistent acne and insulin resistance. Syndrome occurring exclusively in women. HAIR-AN syndrome is also considered a subtype of PCOS.

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About 7% of all hirsut women have HAIR-AN syndrome.


Please ask your physician for a reliable diagnosis. This website is only meant as a reference.


Last updated on: 01.01.2022