OBJECTIVE: To evaluate the influence of surgical debulking performed on patients with Stage IV ovarian cancer and to determine prognostic factors which identify pts who may benefit from aggressive initial surgical debulking. METHODS: A retrospective chart review was conducted (1/1/87-12/31/93). Eligible patients included all women with FIGO Stage IV ovarian cancer. Clinical information abstracted included age at diagnosis, histology type, tumor grade, criteria for Stage IV classification, surgical procedure performed, and tumor residuum. Optimal surgical status was defined as < or = 2 cm residual disease. Chemotherapy treatment was recorded, as was follow-up. Survival estimates were computed by Kaplan-Meier method with differences in survival calculated by the log-rank test. The Cox proportional hazards regression model was used to identify independent variables which were associated with an improved survival rate. RESULTS: One hundred five women were found in our database with Stage IV ovarian cancer and 97 had complete information available. Median age of the patients was 57 years (range 24-81 years). Papillary-serous histology was found in 55/97 patients (57%) and 50 patients (52%) had grade 3 tumors. Forty-one of 97 patients (42%) had malignant pleural effusion and 20/97 (21%) had liver metastases. Ninety-two patients underwent a primary attempt at surgical debulking and 40/92 were optimally debulked. Twenty-one of 41 patients (51%) with pleural effusion were optimally debulked compared to 20/51 (39%) with other criteria for Stage IV disease (P = NS). Overall median survival was 21 months; optimally debulked patients' median survival was 40 months compared to 18 months for patients with bulky residual disease (P = 0.01). The survival advantage for optimally debulked patients was statistically significant for the two subgroups of patients with and without malignant pleural effusion. In the multivariate analysis only age less than 65 years and optimal debulking were independent predictors of outcome. CONCLUSIONS: Surgical debulking appears to be an important determinant of prognosis in women with Stage IV ovarian cancer, including patients with malignant pleural effusion.
OBJECTIVE: To evaluate the influence of surgical debulking performed on patients with Stage IV ovarian cancer and to determine prognostic factors which identify pts who may benefit from aggressive initial surgical debulking. METHODS: A retrospective chart review was conducted (1/1/87-12/31/93). Eligible patients included all women with FIGO Stage IV ovarian cancer. Clinical information abstracted included age at diagnosis, histology type, tumor grade, criteria for Stage IV classification, surgical procedure performed, and tumor residuum. Optimal surgical status was defined as < or = 2 cm residual disease. Chemotherapy treatment was recorded, as was follow-up. Survival estimates were computed by Kaplan-Meier method with differences in survival calculated by the log-rank test. The Cox proportional hazards regression model was used to identify independent variables which were associated with an improved survival rate. RESULTS: One hundred five women were found in our database with Stage IV ovarian cancer and 97 had complete information available. Median age of the patients was 57 years (range 24-81 years). Papillary-serous histology was found in 55/97 patients (57%) and 50 patients (52%) had grade 3 tumors. Forty-one of 97 patients (42%) had malignant pleural effusion and 20/97 (21%) had liver metastases. Ninety-two patients underwent a primary attempt at surgical debulking and 40/92 were optimally debulked. Twenty-one of 41 patients (51%) with pleural effusion were optimally debulked compared to 20/51 (39%) with other criteria for Stage IV disease (P = NS). Overall median survival was 21 months; optimally debulked patients' median survival was 40 months compared to 18 months for patients with bulky residual disease (P = 0.01). The survival advantage for optimally debulked patients was statistically significant for the two subgroups of patients with and without malignant pleural effusion. In the multivariate analysis only age less than 65 years and optimal debulking were independent predictors of outcome. CONCLUSIONS: Surgical debulking appears to be an important determinant of prognosis in women with Stage IV ovarian cancer, including patients with malignant pleural effusion.
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