![]() Herniated disc (cervical, thoracic, lumbar).herniated disc: What's the difference? (2018). You can learn more about how we ensure our content is accurate and current by reading our editorial policy. We link primary sources - including studies, scientific references, and statistics - within each article and also list them in the resources section at the bottom of our articles. Medical News Today has strict sourcing guidelines and draws only from peer-reviewed studies, academic research institutions, and medical journals and associations. Sometimes, the outer layer of the disk breaks down and ruptures, and a gel-like center is pushed out through a tear in the disk’s exterior wall. Most bulging disks occur at the bottom of the lumbar spine. MRI scan can diagnose whether the intervertebral disc is herniated, and understand the condition of the spinal nerves. MRI actually show 元,4 disc herniation (red arrow), no L5,S1 disc herniation (yellow arrow) that was suspected in X ray. When the disk bulges, it may compress or make contact with a nerve and trigger pain. X ray only show pelvic tilt and L5,S1 disc space narrowing. Herniated disks can move into the space around your spinal cord and nerves and press on them. ![]() Computed tomography (CT): A CT scan show the bones of your spine. X-rays: Getting X-rays helps rule out other causes of back or neck pain. The amount of gel can also decrease with age, become compressed, and push out. Magnetic resonance imaging (MRI): The most common and accurate imaging test for a suspected herniated disk is an MRI. This gel may lose its flexibility and become rigid with age. They also act as shock absorbers to prevent damage during movement.Įach disk contains a tough outer layer with gel in the middle. The disks allow for movement between the vertebrae and prevent bones from rubbing against each other. The vertebrae provide support for the spine and enable the back to bend and move.īetween each vertebra is soft tissue, known as a spinal disk. Share on Pinterest Image credit: DjelicS/Getty ImageĪ bulging disk occurs when the spongy disks between the bones in the spine become compressed and bulge out.Ī series of interlocking bones, called vertebrae, make up the spine. ![]()
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