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常规静脉尿路造影(intravenous urography,IVU)一直是泌尿系统检查的主要方法[1]。近年来,其它影像学检查方法如超声、CT及MR等已越来越多地应用于泌尿系统检查,并能弥补IVU检查方法中的一些不足,但这些方法也均有一定的局限性。MR应用于尿路造影只有十几年时间,但已显示出较大
Conventional intravenous urography (IVU) has been the primary method of urinalysis [1]. In recent years, other imaging methods such as ultrasound, CT and MR have been used more and more in urological examination and can make up for some deficiencies in IVU examination. However, these methods all have some limitations. MR used in urography only ten years, but has shown greater