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Spinal stenosis is an abnormal narrowing of the spinal canal or neural foramen that results in pressure on the spinal cord or nerve roots. [6] Symptoms may include pain, numbness, or weakness in the arms or legs. [1] Symptoms are typically gradual in onset and improve with leaning forward. [1]
Pathological processes that can occur in these joints include degenerative changes or hypertrophic arthritis, resulting in foraminal stenosis and nerve compression. Foraminal stenosis at this joint is the most common cause of cervical nerve root pressure. They were characterized by Hubert von Luschka in 1858. [4] [5]
Cervical spinal stenosis is one of the most common forms of spinal stenosis, along with lumbar spinal stenosis (which occurs at the level of the lower back instead of the neck). Thoracic spinal stenosis, at the level of the mid-back, is much less common. [2] Cervical spinal stenosis can be far more dangerous by compressing the spinal cord.
CT scan of a man presenting with radiculopathy of the left cervical spinal nerve 7, corresponding to spondylosis with osteophytes between the vertebral bodies C6 and C7 on the left side, causing foraminal stenosis at this level (lower arrow, showing axial plane).
Spinal stenosis may be congenital (rarely) or acquired (degenerative), overlapping changes normally seen in the aging spine. [6] [7] Stenosis can occur as either central stenosis (the narrowing of the entire canal) or foraminal stenosis (the narrowing of the foramen through which the nerve root exits the spinal canal). Severe narrowing of the ...
CT scan of a man presenting with radiculopathy of the left cervical spinal nerve 7. It shows spondylosis with osteophytes between the vertebral bodies C6 and C7 on the left side, causing foraminal stenosis at this level (lower arrow, also showing axial plane), explaining the symptoms.
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