Fig. 3From: Transforaminal lumbar interbody fusion (TLIF) versus posterior lumbar interbody fusion (PLIF) in the treatment of single-level lumbar spondylolisthesisPLIF procedure for the patient with degenerative L5 S1 spondylolisthesis. a Preoperative MRI. b Preoperative X-ray lateral view. c, d Posteroanterior and lateral X-ray films 6 months postoperatively. Note the reduction in the anterolisthesis and restoration of disk heightBack to article page