Methods: The expressions of VEGF and PCNA by immunohistochemical staining were examined in 56 cases of primary bladder transitional carcinoma(TCC) and 10 subjects with normal urothelium.

• 方法:应用免疫组织化学技术检测56例原发性膀胱移形细胞癌和10例正常膀胱组织中VEGF和PC-NA的表达,并分析VEGF和PCNA与膀胱癌病理分级和临床分期的关系。