表浅膀胱癌约占膀胱癌的80％,肿瘤局限于粘膜和固有层。经尿道切除肿瘤效果不理想,有50～70％的病人有复发的可能,另有5～25％的病人复发肿瘤的分期分级会加得。复发率高的原因除了肿瘤多发性因素外,术中瘤细胞种植也起重要作用。膀胱药物灌注治疗可减少膀胱肿瘤电切术后的 Superficial bladder cancer accounts for about 80% of bladder cancer, the tumor confined to the mucosa and lamina propria. Transurethral resection of the tumor is not effective, 50 to 70% of patients have the possibility of recurrence, and another 5 to 25% of patients recurrent tumor staging grade will be added. Reasons for the high recurrence rate In addition to tumor multiple factors, intraoperative tumor cell cultivation also plays an important role. Bladder drug infusion therapy can reduce the bladder tumor resection after surgery