目的探讨经皮肾微造瘘钬激光腔内切开治疗肾盂输尿管交界处狭窄（UPJO）的方法及疗效。
Objective To explore of percutaneous antegrade endopyelotomy using the holmium laser for ureteropelvic junction obstruction(UPJO)associated with upper tract stones.
目的 探讨介入治疗小儿肾盂输尿管交界处狭窄的临床效果。
Objective To evaluate the effect and method of children's ureteropelvis junction stricture with interventional treatment.
目的探讨经皮穿刺放射介入球囊扩张法治疗肾盂输尿管交界处狭窄的方法及疗效。
Objective To evaluate the interventional balloon dilation in the therapeutic efficacy of ureteropelvic junction obstruction (UPJO) via percutaneous puncture.
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