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  • Title: The role of cytoreductive surgery in the management of stage IV uterine papillary serous carcinoma.
    Author: Bristow RE, Duska LR, Montz FJ.
    Journal: Gynecol Oncol; 2001 Apr; 81(1):92-9. PubMed ID: 11277657.
    Abstract:
    OBJECTIVE: The aim of this study was to evaluate the survival impact of cytoreductive surgery and other prognostic determinants in patients with Stage IV uterine papillary serous carcinoma (UPSC). METHODS: All patients with FIGO Stage IV UPSC diagnosed between January 1, 1989 and December 31, 1998 were identified from tumor registry databases. Individual patient data were collected retrospectively. Survival analysis and comparisons were performed using the method of Kaplan and Meier, the log-rank test, and the Cox proportional hazards regression model. Predictors of surgical outcome were evaluated using the log-rank test. RESULTS: Thirty-one patients underwent primary cytoreductive surgery for Stage IV UPSC (median age, 65 years). The median survival for all patients was 14.4 months. Optimal cytoreduction was defined as residual disease < or =1 cm in maximal diameter. The only significant predictor of a suboptimal surgical outcome was the presence of disease in three or more anatomic regions. Overall, 16 of 31 patients (51.6%) completed primary surgery with optimal disease status. Optimal cytoreduction was associated with a median survival of 26.2 months, compared with 9.6 months for patients left with suboptimal residual disease (P < 0.001). At 24 months, 57.1% of optimally cytoreduced patients were still alive, compared with just 6.7% of patients left with suboptimal disease. Furthermore, patients with only microscopic residual tumor had a significantly longer median survival (30.4 months) than both patients with 0.1- to 1.0-cm residual disease (20.5 months) and those left with suboptimal disease (P = 0.004). Postoperative platinum-based chemotherapy was associated with a median survival of 17.1 months, compared with 9.5 months without such therapy (P = 0.018). Patients receiving the combination of platinum + paclitaxel had a median survival rate of 29.1 months versus 14.4 months for patients receiving platinum + cyclophosphamide +/- doxorubicin (P = 0.054). On multivariate analysis, the only statistically significant predictor of survival was the cytoreductive surgical outcome. CONCLUSIONS: The strongest predictor of overall survival for patients with Stage IV UPSC was the amount of residual disease following surgery. Recommended management for this group of patients should consist of maximal surgical cytoreduction followed by platinum-based chemotherapy, preferably in combination with paclitaxel.
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