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Hyperandrogenism in peripubertal girls
1University of Chicago, Pritzker School of Medicine, Illinois.
Pediatric Clinics of North America
|December 1, 1990
Summary
Hyperandrogenism in adolescent girls, often linked to polycystic ovary syndrome (PCOS), requires careful diagnosis. Evaluating free testosterone and adrenal/ovarian hormone levels helps identify the cause and guide treatment for symptoms like irregular periods or acne.
Area of Science:
- Endocrinology
- Reproductive Medicine
- Pediatric Endocrinology
Background:
- Androgens, crucial hormones, are produced by adrenal glands and ovaries, with peripheral conversion also contributing.
- Elevated androgen levels (hyperandrogenism) manifest in adolescent girls as premature pubic hair, acne, or menstrual irregularities.
- Polycystic Ovary Syndrome (PCOS) is the most frequent cause of hyperandrogenism in teenage girls.
Purpose of the Study:
- To outline the differential diagnosis of hyperandrogenism in adolescent females.
- To highlight key diagnostic indicators and testing strategies for androgen excess.
- To emphasize the importance of tailored treatment based on specific symptoms.
Main Methods:
- Review of clinical presentations of hyperandrogenism in adolescent girls.
- Analysis of hormonal assays, including free testosterone, DHAS, and cortisol.
- Evaluation of dexamethasone suppression testing patterns for diagnosing androgen excess sources.
Main Results:
- Plasma free testosterone is a more sensitive marker for hyperandrogenism than total testosterone.
- Dexamethasone suppression testing patterns effectively diagnose the source of androgen excess.
- PCOS is the most common diagnosis in hyperandrogenic adolescents.
Conclusions:
- Hyperandrogenism in adolescent girls necessitates a broad differential diagnosis beyond PCOS.
- Accurate diagnosis relies on sensitive hormonal markers and specific diagnostic tests.
- Treatment strategies for hyperandrogenism should be individualized to address presenting symptoms.