Abstract
A 24-year-old female with significant ovarian hypertestosteronism, who responded well both to gonadotropin releasing hormone (GnRH) agonist and cyclic administration of estrogen and gestagens in terms of suppressing circulating testosterone levels is reported. The patient's menstrual periods had been regular since menarche at the age of 12 until she became amenorrheic at the age of 20. She visited our facility in November 1988 after receiving three cycles of estrogen and gestagen replacement therapy from a previous physician which caused withdrawal bleeding. Clomiphen citrate reportedly failed to induce apparent ovulation. On her first visit with us, she was 160 cm tall weighing 47 kg with apparent hoarseness but not with hirsutism. Pelvic examination revealed significant clitoromegaly but otherwise normal external and internal genitalia. Laparoscopic examination disclosed that her uterus appeared to be normal with bilateral ovaries relatively small (4 x 4 x 3 cm) without tumorous or polycystic appearance. Histological examination of her ovaries obtained at laparoscopy showed several primary follicles with mild infiltration of the stromal cells. No thickened tunica albuginea or cystic formation were observed. These findings did not support either polycystic ovary or hyperthecosis. Serum testosterone (T) levels were extremely high (7.1 ng/ml), while serum androstenedione levels were only slightly above normal range (3.1 ng/ml). Urine 17-KS excretion was slightly increased (6.1 mg/day), while 17-OHCS output was within normal range (4.0 mg/day). Basal serum LH and FSH levels were within normal range and LH pulse frequency was reduced to 1 in 4 hours. Administration of dexamethasone 1 mg/day for 2 days did not suppress circulating T and free T levels but lowered serum cortisol concentration and urine excretion of 17-OHCS. Blood glucose and insulin levels were within normal limits and their responses to oral glucose administration were normal. Abdominal and pelvic ultrasonography and computed tomography as well as adrenal scintigraphy did not reveal any tumorous lesions in bilateral adrenals and ovaries. Administration of GnRH agonist, Buserelin 900 micrograms/day, suppressed circulating T concentrations to 0.7 ng/ml in 8 days, while it had no significant effects on DHEA and DHEA-S levels. After 16 weeks of Buserelin administration, ovulation was successfully induced by hMG administration. Cyclic estrogen and gestagen replacement therapy by Kaufmann's schedule for 2 cycles also suppressed serum T levels to normal, female range. Thus, the present case represents non-neoplastic, non-PCO, ovarian hypertestosteronism which responded well both to GnRH agonist and estrogen and gestagen replacement therapy in terms of lowering circulating T levels.
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