膀胱癌是我国泌尿外科领域最常见的恶性肿瘤 ,多系移行上皮来源的肿瘤 ,具有多发和容易复发的特点。膀胱癌的诊断和术后复发的监测 ,长期以来一直是泌尿外科领域研究的重点。膀胱肿瘤 90 %以上均以无痛性肉眼血尿作为首发症状 ,没有明显的体征。目前 ,膀胱镜检查仍是诊断膀胱肿 Bladder cancer is the most common malignant tumor in the field of urology in our country. It is a multi-line metastatic epithelial tumor with multiple and easy recurrence. The diagnosis of bladder cancer and the monitoring of postoperative recurrence have long been the focus of research in the field of urology. More than 90% of bladder tumors with painless gross hematuria as the first symptom, no obvious signs. At present, cystoscopy is still the diagnosis of bladder