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Disc herniation can occur in any disc in the spine, but the two most common forms are lumbar disc herniation and cervical disc herniation. The former is the most common, causing low back pain (lumbago) and often leg pain as well, in which case it is commonly referred to as sciatica .
Since the fissures are formed in the anulus fibrosus due to osteo-arthritic bones or degeneration in general, the inner nucleus pulposus can seep out and put pressure on any number of vertebral nerves. [12] A herniated disc can cause mild to severe pain such as sciatica and treatment for herniated discs range from physical therapy to surgery.
spinal disk herniation or herniated disk, that is, herniated nucleus pulposus HNPCC: hereditary nonpolyposis colorectal cancer: HNPP: hereditary neuropathy with liability to pressure palsy: H/O: history of ... HOB: head of bed (usually followed by number of degrees of elevation, e.g., HOB 10°) HOCM: hypertrophic obstructive cardiomyopathy: HONK
Herniated nucleus pulposus is known to occur in aviators exposed to high G-force environments [10] and has occurred in astronauts after a mission. The relative risk rate of intervertebral disc damage has only recently been researched, [ 11 ] but there is currently no evidence that links the origin of intervertebral disc damage with changes to ...
Microdiscectomy (or microdecompression) is a minimally invasive surgical procedure in which a portion of a herniated nucleus pulposus is removed by way of a surgical instrument. [2] The purpose of this procedure is to relieve the pressure and reduce the local inflammatory reaction around a nerve root, caused by the herniated nucleus pulposus.
As the space between vertebrae gets smaller, extra pressure can be placed on the discs causing tiny cracks or tears to appear in the annulus. If enough pressure is exerted, it is possible for the nucleus pulposus material to seep out through the tears in the annulus and can cause what is known as a herniated disc.
Microdiscectomy is a spine operation with a smaller incision than traditional discectomy, in which a portion of a herniated nucleus pulposus is removed by way of a surgical instrument, while using an external operating microscope for lighting and magnification.
Schmorl's nodes are fairly common, especially with minor degeneration of the aging spine, but they are also seen in younger spines. Schmorl's nodes often cause no symptoms, but may simply reflect that "wear and tear" of the spine has occurred over time; they may also reflect that bone strength was at one time somewhat compromised, perhaps due to a vitamin D deficiency although this has yet to ...