Fig. 1.

a, b The middle line posterior approach was used to expose the bilateral lamina, and the unilateral or bilateral facet joint and transverse processes were removed. By transforaminal and paravertebral approach, the lesion around the vertebrae was completely debrided. c, d The transversectomy process approach was performed in the thoracic area, and the extraperitoneal approach was performed in the lumbar area. Remove the same side transverse process and rib. The lesion was completely debrided by lateral of vertebral body