Methods:blc 2 and MDR expression were studied by immunohistochemical technique in 48 specimens of renal cell carcinoma tissues and in 10 normal renal tissues and their clinical significance was analyzed.

• 方法 :采用免疫组织化学 SABC法对 48例肾癌和 10例正常肾组织的石蜡包埋标本切片进行 bcl- 2和MDR- 1基因产物表达的统计研究。