Vol 81, No 6 (2010)
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Prognostic significance of VEGF and its receptors in endometrioid endometrial cancer

Bożena Dobrzycka, Sławomir Jerzy Terlikowski, Marcin Kwiatkowski, Magdalena Grabowicz, Maciej Kinalski, Lech Chyczewski
Ginekol Pol 2010;81(6).

Abstract

Abstract Background: Angiogenesis is of crucial importance for endometrial tumor growth and Vascular Endothelial Growth Factor (VEGF) is the key mediator of angiogenesis. Objective: The purpose of our study was to assess the prognostic value of VEGF and its receptors in relation to endometrioid endometrial carcinomas. Material and methods: In this study, we conducted an immunohistochemical evaluation of VEGF and VEGFRs expression in 84 tissue samples obtained from endometrioid endometrial cancer patients undergoing curative surgical treatment. Results: Out of 84 cancers, strong positive expression of VEGF was seen in 35 (42%) tumors. The overall strong positive rates were 33% for VEGFR-1 and for 15% for VEGFR-2. There was a significant correlation between clinical stage and VEGF and VEGFR-1 overexpression (p=0.027 and p=0.004, respectively). Additionally, there was a significant correlation between histological grade and VEGF and VEGFR-1 overexpression (p<0.001 and p<0.001, respectively). The 5-year DFS of patients with VEGF and VEGFR-1 overexpression was significantly lower than that of those with a weakly positive or negative tumor (p<0.001). Conclusion: Immunohistochemical evaluation of VEGF and VEGFR-1 overexpression may be a useful marker for predicting 5-year DFS in endometrioid endometrial cancer.

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