Twelve of 14 cases with ureter stricture or flexura were rendered to dilate satisfactorily,but for the other two, one turned to operation,and one to ESWL with ureter cathe...

• 结论输尿管狭窄并不少见,液压扩张辅助电凝钩切割狭窄环是一个安全有效的方法,熟悉输尿管解剖与操作技巧十分关键。