This graphic includes five medical illustrations demonstrating the process of a lumbar spinal fusion surgery at L4-S1.  A small inset image demonstrates the area of the back at issue in the remaining images with a hand of the surgeon undertaking the incision in the back.  Illustration 1 demonstrates a laminectomies and facetectomies performed at L4-S1. Illustration 2 demonstrates discectomies at L4-S1 with microcautery. Illustration 3 demonstrates the placement of bilateral pedicle screws at L4-S1.  Illustration 4 demonstrates decortication and placement of the screw endcaps.

This graphic is best used for demand letters / narrative reports, mediation, arbitration or trial in cases involving a discectomy and fusion of L4-S1 after trauma.

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