Objective To describe a new posterior approach enabling direct inspection of reduction of sacroiliac joint disruption (SIJD),and provide guidance for the placement of sacroiliac screw.

• 目的介绍一种新的后路方法,在手术中能直接检查骶髂关节脱位(SIJD)的复位情况,并能引导骶髂螺钉置入。