英语语法分析

Set off from the same line-style open pyeloplasty in 42 cases of open surgery group.

设同期行开放性离断式肾盂成形术的42例为开放性手术组。

Objective To compare two different surgical approaches for children undergoing pyeloplasty.

目的探讨小儿肾盂积水手术中不同的手术入路途径。

Objective: To evaluate the clinical effect and the surgical technique of laparoscopic dismembered pyeloplasty.

目的：探讨腹腔镜离断肾盂成形术的操作方法和临床效果。