Economic impact of minimally invasive lumbar surgery

Figure 1 Minimally invasive transforaminal interbody fusion. An expandable tubular retractor is positioned via a paramedian approach. Note that the contralateral perdicle screws are in place.

Figure 2 Intraoperative view of a pedicle-rod construct during the final stages of a minimally invasive transforaminal lumbar interbody fusion.

Figure 3 Scatterplot depicting scoliotic curve correction achieved at last follow-up as a function of peroperative curve severity.