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Spinal Stenosis
Medical Questions » Spinal Stenosis
| Name: Spinal Stenosis |
| Also known as: |
| Narrowing (stenosis) of the canal in the vertebrae through which the spinal cord runs, resulting in pressure on the cord that affects its function. |
Causes of Spinal Stenosis
Injury to the back, collapse of vertebrae with osteoporosis (bone thinning), Paget' s disease of bone, a tumor of bone or the membranes (meninges) that surround the spinal cord, or may be a birth defect. |
Symptoms of Spinal Stenosis
Back and leg pain that are worsened by walking or prolonged standing, and relieved by sitting or lying. As the stenosis worsens, there may be abnormal sensations (eg. pins and needles), then loss of sensation and muscle weakness. Finally paralysis (paraplegia) occurs below the level in the back where the narrowing occurs. |
Tests for Spinal Stenosis
Narrowing demonstrated by CT or MRI scans, or special X-rays in which a dye is injected into the spinal canal (myelogram). |
Treatment for Spinal Stenosis
Anti-inflammatory medications, exercise and physiotherapy, and pain relievers may be used initially, but as the condition progresses surgery is essential to relieve the pressure on the spinal cord.
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Complications of Spinal Stenosis of its treatment
Loss of control of bladder and bowels. |
Likely Outcome of Spinal Stenosis
Depends on cause, but overall one quarter have progressive disease that eventually results in paraplegia. |
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