Preservation of pregnancy in a patient with advanced ovarian cancer at 20 weeks of gestation: case report and literature review.

To report a case of FIGO stage III papillary serous carcinoma of ovary, diagnosed during pregnancy at 20 weeks of gestation and treated with unilateral salpingo-oophorectomy and surgical staging, then initial combination chemotherapy while preserving the pregnancy. The patient underwent cesarean section at 35 weeks after four courses of taxol plus carboplatin. She delivered a healthy baby. After that total hysterectomy, omentectomy, pelvic and para-aortic lymphadenectomies were carried out. The surgical resection was complete and no macroscopic residual diseases were seen. During histologic examination, traces of resistant disease were found. The patient underwent three postoperative courses of chemotherapy (carboplatin plus paclitaxel regimen). After 6 months follow-up, the patient remained in complete remission and the child's development was normal. Combination chemotherapy during pregnancy with preservation of the fetus could be considered, and should be discussed with caution in case of epithelial ovarian cancer diagnosed during the second trimester of the pregnancy.