Steroid Screening Tools Differentiating Nonclassical Congenital Adrenal Hyperplasia and Polycystic Ovary Syndrome.

The Journal of Clinical Endocrinology and Metabolism
Giovana D N MaffazioliGustavo A R Maciel

Abstract

To analyze the performance of basal 17OH-progesterone (17OHP) levels versus the basal 17OHP/cortisol ratio in nonclassical congenital adrenal hyperplasia (NCAH) and polycystic ovary syndrome (PCOS) differential diagnosis. Basal 17OHP levels >10 ng/mL have been used to confirm NCAH diagnosis without the adrenocorticotropic hormone (ACTH) test; however, the optimal cutoff value is a matter of debate. A cross-sectional study was performed at the endocrinology and gynecological endocrinology outpatient clinics of a tertiary hospital. A total of 361 patients with PCOS (age 25.0 ± 5.3 years) and 113 (age 19.0 ± 13.6 years) patients with NCAH were enrolled. Basal and ACTH-17OHP levels were measured by radioimmunoassay, and CYP21A2 molecular analysis was performed to confirm hormonal NCAH diagnosis. Receiver operating characteristic curve analysis compared basal 17OHP levels and the 17OHP/cortisol ratio between NCAH and PCOS patients. Basal 17OHP levels were higher in NCAH patients than in those with PCOS (8.85 [4.20-17.30] vs 1.00 [0.70-1.50] ng/mL; P < 0.0001), along with 17OHP/cortisol ratio (0.86 [0.47-1.5]) vs 0.12 [0.07-0.19]; P < 0.0001, respectively). Basal 17OHP levels and the 17OHP/cortisol ratio were strongly correlated in b...Continue Reading

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Citations

Feb 2, 2021·Endocrinology and Metabolism Clinics of North America·Smita Jha, Adina F Turcu

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