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Spinal disc protrusion visible in MRI [ 1 ] A disc protrusion is a medical condition that can occur in some vertebrates , including humans, in which the outermost layers of the anulus fibrosus of the intervertebral discs of the spine are intact but bulge when one or more of the discs are under pressure.
Since the disc is an avascular structure, it is an ideal environment for the growth of anaerobic bacteria. Propionibacterium acnes bacteria secrete propionic acid, which can dissolve fatty bone marrow and bone. Therefore, it was hypothesized that diffusion of propionic acid from the disc into the vertebrae results in bone oedema, i.e. Modic ...
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 ...
Myelomalacia is a pathological term referring to the softening of the spinal cord. [1] Possible causes of myelomalacia include cervical myelopathy, hemorrhagic infarction, or acute injury, such as that caused by intervertebral disc extrusion.
Surgery is considered when symptoms persist after attempting conservative treatment. It is estimated 10-20 percent of individuals with low back pain fail to improve with conservative measures. [22] A discectomy is a common procedure used to alleviate the radiating pain and neurological symptoms associated with a herniated disc. [23]
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 .
Weight loss, to relieve symptoms and slow the progression of the stenosis; Physical therapy to support self-care. [37] Also may give instructions on stretching and strength exercises that may lead to a decrease in pain and other symptoms. Lumbar epidural steroid or anesthetic injections have low quality evidence to support their use. [36] [38]
The articular disc (or disk) is a thin, oval plate of fibrocartilage present in several joints which separates synovial cavities. This separation of the cavity space ...