肾盂输尿管连接部（UPJ）梗阻可为解剖异常的结果,也可为功能性的。由异位血管（crossing vessels）即变异肾血管压迫所致UPJ梗阻是其原因之一。
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UPJ obstruction 肾盂输尿管连接部狭窄
UPJ ureteropelvic junction 输尿管肾盂的接合处
ureteropelvic junction upj 肾盂输尿管连接部
ureteropelvic junction upj obstruction 肾盂输尿管移行处狭窄
Objectives: To evaluate the operative treatment for ureteropelvic junction (UPJ) stricture.
目的：探讨肾盂输尿管连接部(upj)狭窄的手术治疗方法。
Objective: To explore the treatment program for the obstruction in ureter renal pelvis junction (UPJ).
目的：探讨肾盂输尿管连接部(upj)梗阻的最佳治疗方案。
Conclusions UPJ obstruction leads not only to parenchymal hypertrophy but also to parenchymal damage in the contralateral kidney.
结论UPJ梗阻不仅引起对侧肾实质代偿性增生，同时还造成对侧肾损害。
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