Fig. 2
A, B Preoperative sagittal and axial magnetic resonance images in a 34-year-old male patient complaining of left radicular leg pain, showing L5–S1 disk herniation on the left side. C, D Surgical incision surface localization. E Establishing work channels. F Radiofrequency ablation exposed the lower edge of vertebral lamina and the inner edge of lower articular process. G, H Postoperative sagittal and axial magnetic resonance images made one day after surgery. I, J Kirschner wire anchoring positioning. K: Abrasive drill to thin the upper edge of the vertebral plate. L Removing the herniated intervertebral disk