Plasma androgens in idiopathic hirsutism |
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Authors: | C M Andre V H James |
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Institution: | Steroid Research Unit, Department of Chemical Pathology, St. Mary''s Hospital Medical School, London, W.2. U.K. |
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Abstract: | The plasma concentrations of testosterone, androstenedione,5-androstene-3β, 17β-diol, 5α-dihydrotestosterone and 17β-hydroxy-androgens have been measured in normal women and in patients with idiopathic hirsutism. The mean levels of all the compounds studied were higher in the group of patients with hirsutism than in the controls and apart from dihydrotestosterone, this difference was statistically significant. The correlation between the plasma levels of the various steroids was examined. In the normal subjects, testosterone and androstenedione levels were well correlated, but in the hirsute patients, the correlation is poor. It is suggested that this is related to altered binding of testosterone to plasma proteins in these patients. No one of the steroid levels measured was consistently abnormal in hirsutism, but in 40% of the patients, plasma androstenedione levels were above the normal range. |
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