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pp.179-188
The support mechanisms that are involved in lymph node metastasis of oral squamous cell carcinoma remain largely unknown. Recent studies have demonstrated that tumor cells express chemokine receptors and use chemokines to metastasize to the target organ in many malignancies in humans There are few reports about the correlation between chemokin receptor CXCR-4 expression and clinicopathologic factors in oral squamous cell carcinomas. The object of this study was to evaluate the availabili ty of CXCR-4 expression as prognostic marker through correlation analysis of CXCR-4 expression in oral sq uamous cell carcinoma and its r elation to clinocopathologic factors and PCNA index. 80 we investigated CXCR-4 expression of 74 oral squamous cell carcinomas by immunohistochemistry. 44 out of 74 cases(59. 5%) showed CXCH-4 positive and 30 sampl es(40.5%) showed CXCH-4 negative. CXCH-4 expression showed statistically sig nificant correlation wi th lymph node metastasis(p=0.026) ‘ PCNA index (p=0.003) , survial rate(p=0.0003). From the results , it was suggested CXCR-4 oxpression might be useful a prognostic marker in oral squamous cell carClllomas
