Fig. 2

(a) A floating island of the OLF was made in resecting the lamina around the affected vertebra and inserting the pedicle screws. (b) Gently lift and shake the lamina from side to side to free the lamina completely. (c) Nerve stripper and sharp knife were used to separate the OLF from the dura. (d) The lamina and the OLF complex were completely separated. The screws were then affixed with 2 longitudinal rods for further stabilization