膀胱肿瘤发病率居泌尿系肿瘤首位。膀胱镜检的同时,可取活体组织作细胞学检查对肿瘤作定性诊断,但看不到肿瘤侵及膀胱壁的深度和在肌层蔓延的范围,故其分期正确率仅44％。近年来由于超声显像技术的迅速发展、采用具有灰阶的B型实时或手动复合扫描仪,对膀胱肿瘤的大小、形态、部位以及肿瘤侵犯膀胱壁范围、深度已获得肯定的结果。 The incidence of bladder cancer ranks first in urinary tract tumors. Cystoscopy at the same time, it is desirable for cytological examination of living tissue for qualitative diagnosis of the tumor, but can not see the depth of tumor invasion of the bladder wall and the scope of the spread in the muscle layer, so the staging correct rate of only 44%. In recent years due to the rapid development of ultrasound imaging technology, the use of grayscale B-type real-time or manual composite scanner on the bladder tumor size, shape, location and extent of tumor invasion of the bladder wall, the depth has been given a positive result.