Keywords MDCTU;Compression;Prolonging Acquisition Time;Oral Water;Prone Position;Frusemide;Excretory Phase;3-D Reconstruction;Upper Urinary Tract Disease;Clinical Application;ROC;

• 多排螺旋CT;泌尿系统造影;MDCTU;附加措施;腹带加压;增加延迟时间;俯卧位;饮水;静脉注射利尿剂;延迟扫描;三维重建;上尿路疾病;临床应用;ROC曲线;