Postmenopausal mild hirsutism and hyperandrogenemia due to granulosa cell tumor of the ovary: a case report

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BACKGROUND: Among classes of ovarian tumor, granulosa cell tumors are the least common. In approximately 10% of cases of granulosa cell tumor, androgen will be secreted which will present with hirsutism and hyperandrogenemia. We describe a woman with ovarian granulosa cell tumor who presented with hirsutism. CASE PRESENTATION: . She had hair on her upper lip, chin, and lower abdomen; she had a Ferriman-Gallwey score of 10. A pelvic examination revealed that her uterus was of normal size and there was no adnexal mass. Ultrasound finding: her right ovary measured 5 × 4 cm. Her serum testosterone was 254 ng/dl; she was counseled to undergo an exploratory laparotomy but she declined. She presented to our out-patient department 10 months later with a complaint of excessive vaginal bleeding of 18 days' duration. A sonographic evaluation showed a 12 by 15 cm right adnexal cystic mass. With preoperative diagnosis of testosterone-producing sex cord-stromal tumor of the ovary, an exploratory laparotomy was performed. The laparotomy revealed a 20 by 30 cm right ovarian mass with pathology result of adult granulosa cell tumor. CONCLUSION: In postmenopausal women with new hirsutism that is severe or rapidly progressive, the possibility of an androgen-secreting tumor must be suspected and a thorough evaluation is needed before initiating treatment for idiopathic hirsutism.

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