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Spinal Stenosis: Lumbar

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Spinal Stenosis: Lumbar

Picture of lumbar spinal stenosis
Picture of a normal spinal canal and a narrowed spinal canal (cross section)

When the spinal canal in the low back becomes narrower (stenosis), the nerve roots get squeezed.

Current as of: July 17, 2023

Author: Healthwise Staff
Clinical Review Board
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