Segmental Instability
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….
Ossification of the Posterior Longitudinal Ligament (OPLL)
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…
Lumbar Nonunion
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….
Bone Morphogenetic Protein
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…
Nerve Root Impingement by Pedicle Screw
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…
Motion Preservation Technology
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…
Transodontoid Screw for Type II Odontoid Fracture
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…
Sacral Fracture
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,…
Central Cord with Osteoporosis
31Central Cord with Osteoporosis Presentation A 79-year-old woman sustained central cord syndrome after a fall, with significant upper extremity weakness and incontinence. She had multilevel cervical disc hernia-tions and concomitant…
