41Large Disc Herniation Treated Percutaneously Presentation A 46-year-old man had sudden-onset low back pain, with a right S1 radiculopathy that progressed over 2 months, despite physical therapy. He has mild…
42Segmental Instability Presentation A 37-year-old man presented with mechanical back pain after a previous discectomy. On examination, he had decreased sensation in the right L5 dermatome and limited lumbosacral flexion….
28Ossification of the Posterior Longitudinal Ligament (OPLL) Presentation A 77-year-old Asian man fell, sustaining a central cord syndrome. His neurologic functioning improved except for some fine motor difficulty and continued…
53Lumbar Nonunion Presentation A 45-year-old man underwent an L5-S1 fusion for grade II spondylolisthesis 4 years ago and in recent months has started suffering a progressive mechanical low back pain….
48Bone Morphogenetic Protein Presentation A 48-year-old woman presents with mechanical low back pain and a history of an L3-S1 pedicle screw fusion as well as L4-L5, L5-S1 interbody fusion. Dynamic…
50Nerve Root Impingement by Pedicle Screw Presentation A 52-year-old woman presented with significant mechanical low back pain, sciatica, and extensor hallucis longus weakness. Her straight leg raise was positive on…
39Motion Preservation Technology Presentation A 39-year-old man had low back pain that was refractory to months of conservative therapy. The pain has altered his lifestyle. Radiologic Findings Lumbar magnetic resonance…
2Transodontoid Screw for Type II Odontoid Fracture Presentation A 63-year-old woman fell while riding a bike. She sustained a type II odontoid fracture and was initially treated with halo immobilization…
15Sacral Fracture RAHUL VAIDYA AND MARILYN GATES Presentation A 64-year-old man fell and complained of sacral pain. He was neurologically intact, including bowel and bladder function. FIGURE 15-1 A comminuted,…
