Methods The anatomical changes of the duplicate kidney and ureter were observed during operation in 128 cases.The anatomical changes were correlated with the ultrasonography, IVU and SPECT findings.

• 方法对128例手术治疗病例术中进行观察，描述肾、输尿管的解剖改变，对比超声、IVU、SPECT检查结果。