【摘要】 目的 探讨16层螺旋CT尿路造影(CTU)在泌尿系统病变诊断中的临床应用价值。方法 收集40例临床有泌尿道症状患者，行泌尿系常规CT平扫、双期增强扫描及排泄期尿路造影，原始数据传送至高级后处理工作站，使用最大密度投影(MIP)、多平面重建(MPR)、曲面重建(CPR)及容积重建(VR)等方法，获得完整排泄期尿路影像。结果 18例输尿管结石，3例肾盏结石；5例肾癌，2例肾盂癌；3例膀胱癌侵犯输尿管下段；1例子宫内膜癌术后输尿管粘连及肿胀致输尿管梗阻；1例结肠癌淋巴结转移包绕并侵犯输尿管下段致中上段梗阻积水；外压性输尿管狭窄3例；2例肾盏憩室；2例先天性肾发育异常。其中27例经手术证实，13例经临床证实。结论 16层螺旋CT具有扫描速度快、范围广、层厚薄和图像质量高等优点，能多平面、多方位三维立体显示整个泌尿系统的病变，为临床明确病因提供了重要的参考价值。

     【关键词】 泌尿系疾病；体层摄影术，X线计算机；尿路造影术

    Diagnosis and clinal application of 16-slice spiral CT urography for urinary system diseases

    ZHOU Hui，RAO Min.Department of Radiology,Jiading Center Hospital，Shanghai 201800,China

    【Abstract】 Objective To evaluate value of 16-Slice spiral CT urographic technique (CTU) in the diagnosis and clinical application of urinary system diseases.Methods In 40 patients with urinary system diseases 16-slice spiral CT plain scan，renal dual-phase enhanced scan and urography were performed,respectively.The datas of CT urography scan were three-dimensionally reconstructed with post-processing technique,such as maximum intensity project(MIP)、multiplannar reconstruction(MPR)、curved projection reconstruction(CPR)and volume rendering(VR).Results Among 40 patients,there were 23 cases of stone ......