Low Back Injury – L5 Lumbar Spine Fracture and Spondylolisthesis with Surgical Fixation. Depicts bilateral pars defects (fractured pedicles), facet disruption and spondylolisthesis (forwardly displaced vertebra) at L5, the fifth lumbar vertebra. Surgical steps include:
1. A surgical incision into the lower back from L4 to S1;
2. A laminectomy at L5;
3. Harvesting a bone graft from the left iliac crest (hip bone);
4. Placing the bone graft, pedicle screws and plates to complete the spinal fusion procedure.