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  • Title: Hyperandrogenism in a postmenopausal woman: diagnostic and therapeutic challenges.
    Author: Cheng V, Doshi KB, Falcone T, Faiman C.
    Journal: Endocr Pract; 2011; 17(2):e21-5. PubMed ID: 21247854.
    Abstract:
    OBJECTIVE: To describe a postmenopausal woman with severe hyperandrogenism who responded dramatically to a gonadotropin-releasing hormone (GnRH) agonist. METHODS: Detailed clinical and laboratory findings are presented, and the pertinent literature is reviewed. RESULTS: A 53-year-old postmenopausal woman with end-stage renal disease, who had undergone kidney transplantation, was referred because of high serum testosterone levels. She presented with worsening acne and hirsutism for the previous 2 years. Her medications included prednisone (7.5 mg every other day). On examination, mild facial acne and hirsutism but no virilizing features were noted. Laboratory results showed generous postmenopausal gonadotropin levels and markedly elevated total and free testosterone levels, which failed to suppress with a 2-day low-dose dexamethasone test. Transvaginal ultrasonography and a computed tomographic scan failed to identify an ovarian or adrenal abnormality. Administration of a GnRH agonist (Depo-Lupron) resulted in a dramatic decline in follicle-stimulating hormone, luteinizing hormone, and testosterone levels after 1 month, which persisted during the course of 11 months of therapy. The source of marked hyperandrogenism in postmenopausal women represents a diagnostic challenge. The absence of a tumor on diagnostic imaging and the inability to perform catheterization studies confound the problem. Androgen levels did not suppress with glucocorticoids. We reasoned that a clear response to a GnRH agonist would indicate a nontumorous ovarian source of hyperandrogenism. Regrettably, the literature has described cases of ovarian tumors and, rarely, adrenal adenomas that are responsive to gonadotropins. CONCLUSION: The striking improvement in a postmenopausal woman with severe hyperandrogenism by means of GnRH agonist therapy demonstrates its potential use in poor surgical candidates without necessarily delineating the source of androgen excess.
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