Fig. 27.1 Serial dilators and the retractor itself are each inserted utilizing EMG neuromonitoring to detect nerve proximity and location thus minimizing the risk of neural injury during psoas transgression…
Fig. 35.1 Intraoperative fluoroscopic image of K-wire insertion into the pedicle and vertebral body with overlying dilator Fig. 35.2 Fluoroscopic image of screw placement after facet fusion Fig. 35.3 Intraoperative…
Fig. 25.1 Standing Anteriorposterior and Lateral Scoliosis x-rays showing coronal and sagittal decompensation Fig. 25.2 Axial T2 Weighted slice through lumbar segment to illustrate position of the psoas 25.4 Concave…
Fig. 29.1 Patient positioning for left lateral MIS approach to the thoracolumbar spine. Arms are abducted, and torso is fixed by supportive pads at the shoulders, sternum, sacrum, and symphysis…
Fig. 14.1 (a–c) Artist’s depiction of a technique for minimally invasive sacroiliac screw placement. A small skin and muscle opening is placed medial to the PSIS to allow entry into…
Fig. 11.1 A 55-year-old with back and radicular pain due to grade II spondylolisthesis at L5/S1. Tubular retractor in place. The decompression has been performed through a 22 mm tubular…
Fig. 37.1 (a) Facetectomy and pedicle screw cannulation. (b) Morselized bone graft prior to screw placement Once the screws are placed at all levels, an appropriate length rod contoured to…
Fig. 31.1 (a and b) AP and lateral lumbosacral plain films of a 70-year-old female with degenerative scoliosis who underwent L4–L5 laminectomy elsewhere who presents with continued back pain and…
Fig. 3.1 Sagittal parameters that are important in the evaluation of ASD and can be used for surgical planning. Sagittal vertical axis (SVA), pelvic tilt (PT), and pelvic incidence minus…
Fig. 9.1 MisLAT algorithm Fig. 9.2 Abbreviated MisLAT algorithm 9.5 The MiSLAT Algorithm 9.5.1 MiSLAT Treatment Level I This patient population typically presents with symptoms consistent with neurogenic claudication due…
