据美国癌症协会统计,2006年在美国,膀胱癌在男性是继前列腺癌、肺癌和直肠癌以后排名第4位的恶性肿瘤,在女性排名第9位。大约有6万余人被临床医生诊断为膀胱癌,每年有1万余人死于膀胱癌[1]。膀胱腺癌是较少见的膀胱恶性肿瘤,在膀胱恶性肿瘤中所占比例不超过2%[2];在血吸虫病流 According to the American Cancer Society, in the United States in 2006, bladder cancer ranks the 9th in the number of men ranked as the No. 4 malignant tumor after prostate cancer, lung cancer and rectal cancer. About 60,000 people have been diagnosed with bladder cancer by clinicians and more than 10,000 die from bladder cancer a year. [1] Bladder adenocarcinoma is a rare malignancy of the bladder, which accounts for no more than 2% of bladder malignancies [2]; in schistosomiasis