Material And Methods 30 patients with clinically confirmed bladder tumor were processed with routine pelvis Multislice Helical CT(MSCT) scan after abounding with oxygen in empty bladder.

• 材料与方法 将30例拟诊膀胱肿瘤患者膀胱排空、充满氧气后，进行盆腔常规多层面螺旋CT(MSCT)扫描，将扫描得到的容积数据重建后输入GE SUN AW4.；0工作站，用三维导航软件重建成仿真内镜图像，调节阈值及视角并运用伪彩技术立体观察膀胱内表面情况。