对先天性肾畸形，如蹄铁形肾（horseshoekidney）、孤立肾（singlekidney）、双肾一侧融合（unilateralfusion）、重复肾（duplicationofthekidney）和先天性肾盂输尿管连接部狭窄（pelviuretericobstruction）等，本法可一目了然，并可了解局部的功能状态。
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