Fig. 3From: Double-level lumbar spondylolysis and spondylolisthesis: A retrospective studyD, E MRI, CT, X-ray show double-level spondylolisthesis at L4 and L5, in MRI and CT show the corresponding segment of the nerve compression. Preoperative lateral lumbar spine. Slipping of L4 and L5 resulting in II spondylolisthesis, and bilateral spondylolysis at L4 and L5Back to article page