Figure 2From: Percutaneous pedicle screw reduction and axial presacral lumbar interbody fusion for treatment of lumbosacral spondylolisthesis: A case series Intraoperative lateral (left) and anteroposterior (right) fluoroscopic images depict Jamshidi needle insertion into the left L4 pedicle (case 3). When the tip of the needle reaches the base of the pedicle on the lateral image, it remains within the pedicle contour on the anteroposterior image.Back to article page