膀胱肿瘤是泌尿系统最常见的恶性肿瘤,在美国每年新增加的患者就有50000人以上,而死亡人数也高达每年12000人。在中国,膀胱癌已列为十大高发瘤种之一,而且患者的构成有年轻化的趋向,这一点,已经引起愈来愈多的专家注意。膀胱癌的早期诊断是临床有效外科治疗的可靠保证。对于其诊断方法常被局限于尿液细胞学检查和膀胱镜检查,前者因方法所限无法进行早期的诊断,而后者又常常给患者带来极大的痛苦使人望而 Bladder cancer is the most common malignancy of the urinary system, with more than 50,000 newly added patients each year in the United States and up to 12,000 deaths each year. In China, bladder cancer has been listed as one of the top ten high-risk tumors, and patients tend to younger structure, which has attracted more and more attention of experts. Early diagnosis of bladder cancer is a reliable guarantee of clinical effective surgical treatment. For its diagnostic methods are often confined to urine cytology and cystoscopy, the former due to the limitations of the method can not be early diagnosis, which in turn often give patients great pain to make people look forward to