Figure 2.

Woman, 48 years old, with L4/5 total dislocation resulting from tangential impact of a truck on her back while she was squatting. Preoperative radiograph (a) shows total L4/5 dislocation accompanied by rotation. Radiographs (b, c) and MRI (d) 6 months after surgery show satisfactory reduction, decompression and reconstruction. She recovered the ability to walk 2 months postop.