Spinal pedicle subtraction osteotomy for fixed sagittal imbalance patients

Figure 2 Intraoperative photographs of pedicle subtraction osteotomy. To summarize, exposure transverse to transverse/laminectomy/resection of transverse process/pedicle resection (A and B)/decancellation through pedicle or osteotomy of the pedicle after exposure of the lateral border (C and D)/resect the posterior vertebral body wall (E) and lateral wall if you did not take it/check the mobility and closure using gravity/instrument/operation table. SP: Spinous process; DS: Dural sac; ENR: Exiting nerve root.