The overexpression of p53 and bcl 2 proteins may be involved in tumorigenesis and be correlated with the differentiation of NPSC. These will help identify the prognosis of NPSC.

• p5 3和bcl 2蛋白均参与鼻咽鳞癌的发生与分化 ,其表达水平的不同有助于预后判断 ;