Objective To investigate the expression of Raf kinase inhibitor protein(RKIP)and P27 protein in nasopharyngeal carcinoma(NPC)and its clinical significance.Methods A total of 76 cases of nasopharyngeal carcinoma mucosa(case group)and 30 cases of normal nasopharyngeal tissue(control group)which were collected in our hospital from March 2012 to January 2016 were involved in this study.Immunohistochemistry was performed for detection of RKIP and P27 protein.Clinical significance of RKIP,P27 protein in nasopharyngeal carcinoma including occurrence and development were determined.Results The positiv...