Journal
EUROPEAN JOURNAL OF ENDOCRINOLOGY
Volume 160, Issue 4, Pages 657-665Publisher
BIOSCIENTIFICA LTD
DOI: 10.1530/EJE-08-0367
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Funding
- Kuopio University Hospital
- Pediatric Research Foundation
- National Graduate School of Clinical Investigation
- Academy of Finland
- Finnish Medical Foundation
- Sigrid Juselius Foundation
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Objectives: Premature adrenarche (PA). the early rise in adrenal androgen (AA) production. Call manifest with different clinical signs of androgen effect. Premature pubarche defined as appearance of pubic hair before the age of 8/9 years in girls/boys, is the most prominent. clinical sign of 11% and often erroneously described as it synonym of PA. Our aim was to determine the association of circulating AA concentrations with different prepubertal signs of androgen action (SAA). Secondly, we tested whether adrenomedullary function is altered in children with SAA, as it is in congenital adrenal hyperplasia (CAH) also causing adrenal hyperandrogenism. Design and methods: We examined 73 Finnish prepubertal children with any hyperandrogenic sign(s) having appeared before the age of 8/9 years (girls/boys) (35 with pubic and/or axillary hair = PAH: 38 without = nonPAH), and 98 age- and sex-matched controls. Circulating adrenal steroid and catecholamine concentrations were measured and correlated with clinical parameters. Results: None of the children with SAA had CAH or virilizing tumour. Serum dehydroepiandrosterone. dehydroepiandrosterone sulfate. and androstenedione concentrations overlapped between the SAA and control children, and they were lower in the nonPAH than PAH group (P < 0.01). SAA children had similar plasma epinephrine but higher norepinephrine (NE) concentrations than their controls (mean (95%, confidence interval) 1.61 (1.44, 1.77) versus 1.39 (1.30, 1.49) nmol/l, P = 0.03). Conclusions: PA forms it continuum With more pronounced increase in Circulating androgens ill children with PAH than in those without. Sonic children show SAA with fairly low androgen concentrations. The clinical significance of elevated NE concentrations associated with SAA needs to be confirmed in further studies.
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