Figure 1

(A) Key puncture points of preoperative mesh optimization. (B) X-ray fluoroscopy showing the intersection of the midpoint of the line between the upper and lower endplates of the vertebral body and the tangent of the lateral edge of the pedicle of the vertebral body. (C) X-ray fluoroscopy to determine the target point in the vertebral body, where the tip of the guidewire reached the inner edge of the contralateral pedicle. (D) X-ray fluoroscopy showing the tip of the guidewire reaching the anterior edge of the vertebral body.