Fig. 1From: Accuracy of pedicle screw insertion for unilateral open transforaminal lumbar interbody fusion: a side-by-side comparison of percutaneous and conventional open techniques in the same patientsPedicle screws were inserted using the conventional open technique. a Pedicle screws were inserted into the pedicles on the open side. b Pedicle screws were inserted under a fluoroscopic axial view. c Bone grafts and two cages were packed into the disc space on a fluoroscopic axial view. d Connection of the rodBack to article page