Postmenopausal choriocarcinoma: a rare case report and review of the literature

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Objective:Choriocarcinoma is rare in postmenopausal women, and an early diagnosis contributes to a potential cure.Methods:We report a rare case of a postmenopausal woman with choriocarcinoma. The 61-year-old patient presented with irregular vaginal bleeding, 11 years after menopause and 30 years after the birth of the last child.Results:Radiological investigation found a 3-cm mass on the lower left part of the vaginal wall, and also bilateral lung nodules. Gynecological examination found 3-4 cm blue and purple nodules in the lower left part of the vaginal wall. Her serum CA125 and serum β-hCG levels were 10.2 and 9273.9 mIU/mL, respectively. The early diagnosis was a choriocarcinoma, and combination chemotherapy (etoposide, kengshengmycin, methotrexate, leucovorin, vincristine, and cyclophosphamide [EMACO]) was administered. After the sixth chemotherapy session, her serum β-hCG level was <2 mIU/mL, and two additional consolidation chemotherapy sessions were performed. She achieved serological remission, but 4 months after completion of the chemotherapy, a rise in serum β-hCG level was observed. Therefore, she was subjected to a second treatment with EMACO and fluorouracil (5-Fu) local injection chemotherapy. After nine chemotherapy sessions and three local 5-Fu injections, she showed a normal β-hCG level, with negative radiological results, and negative pigmentation in the lower left part of the vaginal wall. After a 4-year follow-up period, no local recurrence or distant metastases was found.Conclusions:This patient has shown a mild response to chemotherapy when compared with patients in reproductive age, and the combination of standard chemotherapy with local injection chemotherapy may be helpful for treating similar clinical cases.

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