Methods 56 cases with recurrent lumbar disc herniation were operated with discectomy or AF screw internal fixation and interbody fusion in addition to discectomy.

• 方法采用单纯手术摘除椎间盘和摘除椎间盘加AF钉内固定、植骨融合两种方法治疗椎间盘再突出患者56例,观察并比较其疗效。