Fig. 2From: Does a deep seated L5 vertebra position with respect to the iliac crests affect the accuracy of percutaneous pedicle screw placement at lumbosacral junction? a Preoperative AP radiograph showing an intercrest line passing through the L5 vertebra (L5-Non-Seated Group); b and c Postoperative axial CT images showing no pedicle breach (Grade 0 screw) both at the L5 and S1 levelBack to article page