Angiogenesis does not correlate with prognosis or expression of vascular endothelial growth factor in synovial sarcomas.

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Abstract
To investigate the significance of tumour angiogenesis in synovial sarcoma on prognosis, we analysed the correlation between microvessel density (MVD) and various clinicopathological factors or immunohistochemical expression of vascular endothelial growth factor (VEGF) in 54 primary and recurrent synovial sarcomas. MVD in synovial sarcomas did not correlate with prognosis or VEGF expression. Furthermore, VEGF expression in synovial sarcomas did not have any prognostic value on overall survival. Our results indicate that angiogenesis does not play an important role in metastasis of synovial sarcoma and overall survival. Angiogenesis in synovial sarcoma may be controlled by angiogenesis activators other than VEGF.

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