Degenerative Disc Disease Overview
Degenerative Disc Disease is a weakening of one or more vertebral discs, which normally act as a cushion between the vertebrae. This condition can develop as a natural part of the aging process, but it may also result from injury to the back.
How and Why Does Degenerative Disc Disease Develop?
Disc Wall Tears
Degenerative disc disease typically begins when small tears appear in the disc wall, called the annulus. These tears can cause pain.
Disc Wall Heals
When the tears heal, creating scar tissue that is not as strong as the original disc wall. If the back is repeatedly injured, the process of tearing and scarring may continue, weakening the disc wall.
Disc Center Weakens
Over time, the nucleus (or center) of the disc becomes damaged and loses some of its water content. This center is called the pulposus, and its water content is needed to keep the disc functioning as a shock absorber for the spine.
Unable to act as a cushion, the nucleus collapses. The vertebrae above and below this damaged disc slide closer together. This improper alignment causes the facet joints – the areas where the vertebral bones touch – to twist into an unnatural position.
Bone Spurs Form
In time, this awkward positioning of the vertebrae may create bone spurs. If these spurs grow into the spinal canal, they may pinch the spinal cord and nerves (a condition called spinal stenosis). The site of the injury may be painful.
- Thorough clinical evaluation. Complete medical history, analysis of your symptoms, and physical examination.
- Testing may include x-rays, MRI and/or CT scans, and electro-diagnosis (EMG). These advanced diagnostic techniques definitively pinpoint the source of pain.
Degenerative Disc Disease Treatment
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