COMMON CAUSES OF
Central Canal Stenosis
Age-related changes Changes in the vertebrae such as from osteoarthritis may cause abnormal growth of bony tissues (bone spurs or osteophytes) impinging the spinal cord and/or spinal nerves.
Instability he abnormal movement of a vertebra forward (anterolisthesis) or backward (retrolisthesis) can cause compression of the spinal canal.
Narrowing of the disc Wear and tear of the vertebral discs may cause them to dry out and shrink. This condition may result in stenosis of the central spinal canal and other openings in the spine.
Herniated disc A herniated (bulging) disc that protrudes posteriorly (toward the spinal cord) or has a broad bulge may push against the spinal cord.
Traumatic injury Trauma to the vertebrae may cause fracture, dislocation, or spondylolisthesis, causing stenosis of the spine.
Ligament thickening The ossification or thickening of the posterior longitudinal ligament and/or the ligamentum flavum may cause stenosis of the central canal.
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