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本文报告１０例输尿管狭窄的逆行球囊扩张，９例获得成功。对其适应症，技术问题和影响疗效的因素进行了讨论。
This article reports 10 cases of retrograde balloon dilatation of ureteral strictures, 9 cases were successful. Its indications, technical problems and factors that affect the efficacy were discussed.