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Test Description
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Spinal X-Ray

A spinal X-ray test provides a picture of the bones that make up the spine (vertebrae). The spine is a column of 33 bones, which are divided into five groups from the neck to the tail bone. These groups are:

  • 7 neck (cervical) vertebrae.
  • 12 chest (thoracic) vertebrae.
  • 5 lower back (lumbar) vertebrae.
  • 5 small, fused vertebrae (the sacrum).
  • 4 small, fused vertebrae (the coccyx).

Sandwiched between most of the vertebrae are pads of cartilage (discs) that cushion the bones from shock and allow movement between them. The most common spinal X-rays are of the cervical vertebrae (C-spine films) and lumbosacral vertebrae (LS-spine films).

Spinal X-Ray
Results

In an emergency, the results of a spinal X-ray can be available within a few minutes. Otherwise, results are usually ready within a day.

Spinal X-ray

Normal:

 

 

The bones of the spine (vertebrae) are normal in size, shape, and location.

No broken bones, dislocations, or foreign objects are seen.

The spine is not abnormally curved.

Abnormal:

 

 

 

Broken bones, dislocations, or foreign objects may be seen.

The spine is abnormally curved (such as from scoliosis).

Diseases that affect the spine, such as thinning of the bones (osteoporosis) or arthritis, may be seen. One or more bones in the spine may be abnormal due to a condition such as cancer or infection.

Disc disease, which is fairly common, can sometimes be seen on a spinal X-ray as a narrowed space between the bones of the spine.

If spinal X-rays detect a problem, other tests such as a CT scan, magnetic resonance imaging (MRI) scan, or myelogram may be needed.

 
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