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The diagnosis of spondylosis is made using radiology tests such as plain film X-rays, MRI, or CT scans. X-rays can show bone spurs on vertebral bodies in the spine, thickening of facet joints (the joints that connect the vertebrae to each other), and narrowing of the intervertebral disc spaces. CT scans of the spine are able to visualize the spine in greater detail and can diagnose narrowing of the spinal canal (spinal stenosis) when present. MRI scans are expensive, but show the greatest detail in the spine, and are used to visualize the intervertebral discs, including the degree of disc herniation, if present. An MRI is also used to visualize the vertebrae, the facet joints, the nerves, and the ligaments in the spine and can reliably diagnose a pinched nerve.
Medically Reviewed by a Doctor on 9/26/2013
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