Volume 65, Issue 2, Pages 111-116 (February 2006) Retroperitoneal approach for lumbar interbody fusion with anterolateral instrumentation for treatment of spondylolisthesis and degenerative foraminal stenosis  Jeffrey D. Klopfenstein, MD, Louis J. Kim, MD, Iman Feiz-Erfan, MD, Curtis A. Dickman, MD  Surgical Neurology  Volume 65, Issue 2, Pages 111-116 (February 2006) DOI: 10.1016/j.surneu.2005.08.021 Copyright © 2006 Elsevier Inc. Terms and Conditions

Fig. 1 A: Preoperative anteroposterior radiograph. B: Flexion lumbar myelogram. C: Extension lumbar myelogram shows prior L3-5 pedicle screw instrumentation in a 78-year-old woman with mechanical back pain and bilateral L3 pain. Comparison of the flexion and extension myelograms shows adjacent segment instability involving L2-3 with buckling of the posterior longitudinal ligament. Surgical Neurology 2006 65, 111-116DOI: (10.1016/j.surneu.2005.08.021) Copyright © 2006 Elsevier Inc. Terms and Conditions

Fig. 2 Postoperative anteroposterior (A) and lateral (B) radiographs in the same woman following the L2-3 retroperitoneal approach for LIF and anterolateral screw-plate fixation, showing excellent restoration of disk height, foraminal patency, and vertebral alignment. Surgical Neurology 2006 65, 111-116DOI: (10.1016/j.surneu.2005.08.021) Copyright © 2006 Elsevier Inc. Terms and Conditions