Methods:Twenty two children with lower urinary tract stones were treated by pneumatic impactor lithotripsy under transurethral or suprapubic cystostomy uretersocope.

• 方法:应用输尿管镜气压弹导碎石术经尿道或膀胱穿刺造瘘通道治疗儿童下尿路结石22例。