Effectiveness and Safety of Preoperative Halo Gravity Traction-Assisted Posterior Spinal Fusion Surgery for Severe and Rigid Scoliosis: A Comparative Matched-Cohort Study

Figure 4

Imaging of a typical case in the non-HGT group: (a) Preoperative spinal CT with 3D reconstruction. (b) Preoperative full-body photograph of the patient (coronal view). (c) Preoperative full-length spine radiographs (anteroposterior and lateral views). (d) preoperative full-body photograph of the patient (coronal view). (e) Preoperative full-length spine radiographs (sagittal view). (f) Preoperative full-body photograph of the patient (sagittal view). (g) Postoperative spinal CT with 3D reconstruction. (h) Postoperative full-body photograph of the patient (coronal view). (i) Postoperative full-length spine radiographs (anteroposterior and lateral views). (j) Postoperative full-body photograph of the patient (coronal view). (k) Postoperative full-length spine radiographs (sagittal view). (l) Postoperative full-body photograph of the patient (sagittal view). The patient underwent the posterior column osteotomy surgery.