Brown, Christopher A. MD; Lenke, Lawrence G. MD; Bridwell, Keith H. MD; Geideman, William M. MD; Hasan, Syed A. MD; Blanke, Kathy RN Study Design: This was a retrospective review of 223 consecutive cases (1986‐1996) from one institution where 759 thoracolumbar and lumbar pedicle screws were used in the treatment…...