Disc herniation sounds scary, but what is it really? Remember from Spine Anatomy 101 that the spinal disc is a squishy thing that sits in between the vertebral bodies—the bones that make-up the spine. Normally, the disc has a certain shape, a contour that slowly begins to change as the disc ages. Sometimes, the disc will bulge in a generalized fashion beyond the boundaries of the bones. Disc bulging is very common and normal as the disc gets older. When a disc herniates, a focal part of the disc is displaced beyond the vertebral body boundary. The difference between a bulge and a herniation is the amount of disc that is involved. The tricky part is that both bulges and herniations are found in people who have no pain. Harry works as an accountant. All day long, he sits at his desk working with the computer. One morning, while brushing his teeth, he feels a sudden neck pain with a sharp, lacerating pain screaming down his arm. Later that night, he starts to feel numbness and ting...
A herniated (slipped) disk occurs when all or part of a spinal disk is forced through a weakened part of the disk. This places pressure on nearby nerves.
Acute low back pain
Chronic low back pain
Lumbar radiculopathy; Cervical radiculopathy; Herniated intervertebral disk; Prolapsed intervertebral disk; Slipped disk; Ruptured disk; Herniated nucleus pulposus
Causes, incidence, and risk factors
The bones (vertebrae) of the spinal column run down the back, connecting the skull to the pelvis. These bones protect nerves that come out of the brain and travel down your back, forming the spinal cord. Nerve roots are large nerves that branch out from the spinal cord and leave your spinal column between each vertebrae.
The spinal vertebrae are separated by disks filled with a soft, gelatinous substance. These disks cushion the spinal colum...
Definition A brain herniation is when brain tissue, cerebrospinal fluid, and blood vessels are moved or pressed away from their usual position inside the skull. Alternative Names Herniation syndrome; Transtentorial herniation; Uncal herniation; Subfalcine herniation; Tonsillar herniation; Herniation - brain Causes, incidence, and risk factors Brain herniation occurs when something inside the skull produces pressure that moves brain tissues. This is most often the result of brain swelling from a head injury, stroke , or brain tumor. Brain herniation is the most common side effect of tumors in the brain, including: Metastatic brain tumor Primary brain tumor Herniation of the brain can also be caused by other factors that lead to increased pressure inside the skull, including: Abscess Hemorrhage Hydrocephalus Strokes that cause brain swelling Brain herniation can occur: Between areas inside the skull, such as those separated by a rigid membrane like the tentorium or falx Through a natural opening at the ...
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