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Prognostic significance of microvessel density and vascular endothelial growth factor expression in advanced ovarian serous carcinoma



Prognostic significance of microvessel density and vascular endothelial growth factor expression in advanced ovarian serous carcinoma



International Journal of Gynecological Cancer 14(5): 815-823



The aim of the study was to test the prognostic value of the microvessel density (MVD) within the tumor and the vascular endothelial growth factor (VEGF) expression on clinical response to chemotherapy, on brief disease-free interval, and on cause-specific survival in advanced ovarian serous carcinoma. We evaluated 83 ovarian carcinomas homogeneous for stage, type and grade histologic, surgical, and chemotherapeutic treatment. Brief disease-free interval and cause-specific survival rates (Kaplan-Meier method) were compared using the log-rank test. A multivariate analysis (Cox-proportional hazards model) was used to determine the independent effect of each variable on prognosis. Overall 60 and 120 months cause-specific survival rates were 27.7% and 2.4%, respectively. The brief disease-free interval rate was 66.2%. In univariate analysis, VEGF (P = 0.0001 and P = 0.016), MVD (P < 0.0005), and the FIGO stage IIIC even more than FIGO stage IIIA (P = 0.01 and P < 0.0005, respectively) were associated with survival and brief disease-free interval, and the residual tumor was associated with survival (P = 0.021). In multivariate analysis, the factors that were independent predictors of survival were MVD (P < 0.0005), VEGF (P = 0.027), and the FIGO stage IIIC even more than FIGO stage IIIA (P = 0.013). Moreover, MVD was an independent predictor also of brief disease relapse (P = 0.001). Both MVD and VEGF were correlated with clinical response to chemotherapy (P = 0.01 and P = 0.037). Our data suggest that MVD and VEGF may have prognostic significance in advanced ovarian serous carcinoma.

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Accession: 050036812

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PMID: 15361189

DOI: 10.1111/j.1048-891X.2004.014514.x


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