Discography
Discography is a diagnostic procedure in which x-ray dye is injected into the discs of the spine. After dye is injected, an x-ray—called a "discogram"—is taken of the discs. The discogram may be normal or it may show tears in the lining of the disc.
Age or injury can cause the wall of spinal discs to crack or tear. The wall of the disc also can weaken and allow the disc’s jelly center to bulge out and put pressure on nearby nerves, which is known as a herniated disc. When a damaged disc causes pain, it usually is felt as a deep, aching pain in the back and sometimes in the buttocks and into the thigh. Because pain from other joints can occur in the same area and feel similar, a discography identifies if the pain is from a damaged disc.
The results of discography are used to plan treatment or surgery and can help determine if neck or back pain is the result of a degenerated disc.
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