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Relationship of CD95 and COX-2 in renal cell carcinomas with survival and other prognostic parameters: A tissue
Havva Erdem1, Hasan Riza Aydin2, Anzel Bahadir3
1Department of Pathology, Medical Faculty of Duzce University, Duzce, Turkey.
Objective:
To investigate the expression of cyclooxygenase-2 and cluster of differentiation 95 in renal cell carcinomas having different clinico-pathological characteristics.
Methods:
The study entailed histopathological diagnoses carried out on paraffin blocks at the Department of Pathology of the Medical Hospital of Duzce University, Turkey, between 2005 and 2011. Immunohistochemical staining for cyclooxygenase-2 and cluster of differentiation 95was performed on tissue microarray using standard procedures. Each patient's age and gender as well as the tumour's grade, stage, diameter, ureteral surgical margins, vascular invasion, capsule invasion and subtype were assessed. In order to determine if the cases were still alive, relatives were telephoned and identity registration records were checked. SPSS 18 was used for statistical analysis.
Results:
There were 49 paraffin blocks in the study.Significant correlations were found between cyclooxygenase-2 and tumour subtype (p=0.044) as well as between cyclooxygenase-2 and tumour diameter (p=0.026). There was a significant correlation between cluster of differentiation 95and the Fuhrman grade (p=0.050).
Conclusions:
Expression of cluster of differentiation 95and cyclooxygenase-2 may be correlated with prognostic parameters in renal cell carcinoma and may also be associated with tumour progression.
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