 A 20-gauge, 15 cm SMK needle was then directed using AP and fluoroscopic guidance so that the tip of the needle was noted to be along the distal one-third and anterior border on the lateral view and on the AP view the tip of the needle was inside the lateral third of the border of the vertebral body. 
A 20 - gauge , 15 cm SMK needle was then directed using AP and fluoroscopic guidance so that the tip of the needle was noted to be along the distal one - third and anterior border on the lateral view and on the AP view the tip of the needle was inside the lateral third of the border of the vertebral body .