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  • Title: The incidence of late-onset congenital adrenal hyperplasia due to 3 beta-hydroxysteroid dehydrogenase deficiency among hirsute women.
    Author: Mathieson J, Couzinet B, Wekstein-Noel S, Nahoul K, Turpin G, Schaison G.
    Journal: Clin Endocrinol (Oxf); 1992 Apr; 36(4):383-8. PubMed ID: 1330378.
    Abstract:
    OBJECTIVE: The present study was designed to determine the incidence of 3 beta-hydroxysteroid dehydrogenase deficiency (3 beta-HSD) in adult women with hyperandrogenism. DESIGN AND PATIENTS: In 78 hirsute patients and 30 normal women in the same age range, an ACTH stimulation test was performed on day 5 of the cycle by administration of a single bolus of 0.25 mg ACTH-(1-24) at 0800 h. MEASUREMENTS: The following steroids were measured before, 30 and 60 minutes after ACTH injection: delta 5-pregnenolone (delta 5-P), 17-hydroxy-delta 5-pregnenolone (17-OH delta 5-P), dehydroepiandrosterone (DHEA), delta 5-androstenediol, progesterone (P), 17-hydroxyprogesterone (17-OHP), androstenedione (A), testosterone (T) and cortisol. RESULTS: Maximum ACTH-stimulated values of delta 5-steroids were in excess of the 90% confidence limits of the control group in 19 hirsute women. Ten patients had an isolated increase in delta 5-P, 17-OH delta 5-P, DHEA or delta 5-androstenediol. Nine patients had an increase in two delta 5 steroids and none had increased values of three or four delta 5 steroids. The ratios of 17-OH delta 5-P to 17-OHP, DHEA to A, delta 5-P to P and delta 5-androstenediol to T were increased in 5, 1, 1 and 1 patients respectively. No patient had elevated values of more than one ratio. CONCLUSIONS: Using stringent diagnostic criteria, partial 3 beta-HSD deficiency was excluded in all 78 patients and therefore appears to be a rare disorder.
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