采用肾盂成形术后双 J管内引流治疗先天性肾盂输尿管连接部狭窄文献已有不少报道 ,但有的病例治疗效果不佳 ,为总结经验 ,现将笔者所诊治的 2 0例作一报道。1　临床资料1.1　一般资料本组共 2 0例 ,其中男 12例 ,女 8例 ;年龄 8～ 48岁 ,平均19.8岁 ;左侧 13例 ,右侧 7例。入院 The use of double J tube drainage after pyeloplasty in the treatment of congenital ureteropelvic junction stenosis has been reported in many articles, but some cases of poor treatment, to sum up experience, the author is now treated 20 cases reported. 1 Clinical data 1.1 General Information The group a total of 20 cases, including 12 males and 8 females; aged 8 to 48 years, mean 19.8 years; 13 on the left and 7 on the right. Admission