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…

Fig. 19.1 Sagittal T1 MRI thoracic spine with contrast demonstrating severe kyphotic deformity at T6/7 due to infection. The kyphosis, along with epidural enhancing tissue, is encroaching upon the spinal…

Fig. 6.1 (a) Typical adult degenerative scoliosis demonstrating the major curve in the mid-lumbar spine with a compensatory fractional curve at the lumbosacral junction. (b) Also note the loss of…