膀胱癌是泌尿系统最常见的恶性肿瘤之一,全球发病率居恶性肿瘤第十一位~([1])。在我国,男性膀胱癌发病率位居全身恶性肿瘤第七位,女性排在第十位以后~([2])。对早期肌层浸润性和复发性、多发性非肌层浸润性膀胱癌的治疗仍首选膀胱癌根治术, Bladder cancer is one of the most common malignant tumors of the urinary system. The global incidence is the 11th among malignant tumors ~ ([1]). In China, the incidence of bladder cancer in men ranks seventh in malignant tumors of the body, women ranked tenth after ~ ([2]). Invasion of the early myometrial and recurrent, multiple non-muscle invasive bladder cancer treatment is still the first choice of radical resection of bladder cancer,