Methods Twenty-four lumbar spondylolysis patients with no vertebral surge were treated with single vertebra reduction fixation and isthmic debridement and bone grafting.

• 方法对24例慢性腰痛（或）神经根症状的腰椎峡部裂（无脊柱滑脱）患者，采用单椎体内固定、峡部修整、峡部植骨融合治疗。