Cervical Spine Disorders
A 58-year-old Japanese man presents with progressive neck stiffness, bilateral hand clumsiness, and difficulty walking for 6 months. Examination reveals hyperreflexia, a positive Hoffmann's sign, and a mildly spastic gait. Lateral cervical radiograph shows a dense opaque band along the posterior vertebral bodies from C3 to C6. CT scan confirms ossification extending from the posterior vertebral body margins into the spinal canal. Regarding ossification of the posterior longitudinal ligament (OPLL):
Mark each as TRUE or FALSE
OPLL is the ectopic ossification of the posterior longitudinal ligament, most common in the cervical...
OPLL is classified by morphology on CT: continuous type (along multiple vertebral bodies), segmental...
OPLL is more common in Western populations; it primarily affects the lumbar spine; there is no genet...
Surgical options include anterior corpectomy with strut grafting (direct decompression but higher du...
Complications of surgery include CSF leak from dural deficiency or adherence to the ossified mass (o...
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Click T (True) or F (False) for each option