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  2. Retrolisthesis - Wikipedia

    en.wikipedia.org/wiki/Retrolisthesis

    A retrolisthesis is a posterior displacement of one vertebral body with respect to the subjacent vertebra to a degree less than a luxation (dislocation). Retrolistheses are most easily diagnosed on lateral x-ray views of the spine. Views where care has been taken to expose for a true lateral view without any rotation offer the best diagnostic ...

  3. Vertebral hemangioma - Wikipedia

    en.wikipedia.org/wiki/Vertebral_hemangioma

    Vertebral hemangiomas or haemangiomas (VHs) are a common vascular lesion found within the vertebral body of the thoracic and lumbar spine.These are predominantly benign lesions that are often found incidentally during radiology studies for other indications and can involve one or multiple vertebrae.

  4. Schmorl's nodes - Wikipedia

    en.wikipedia.org/wiki/Schmorl's_nodes

    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 ...

  5. Spondylolisthesis - Wikipedia

    en.wikipedia.org/wiki/Spondylolisthesis

    Backward displacement is called retrolisthesis. Lateral displacement is called lateral listhesis [4] or laterolisthesis. [5] A hangman's fracture is a specific type of spondylolisthesis where the second cervical vertebra (C2) is displaced anteriorly relative to the C3 vertebra due to fractures of the C2 vertebra's pedicles.

  6. Lumbar plexus - Wikipedia

    en.wikipedia.org/wiki/Lumbar_plexus

    It is formed by the divisions of the first four lumbar nerves (L1-L4) and from contributions of the subcostal nerve (T12), which is the last thoracic nerve. Additionally, the ventral rami of the fourth lumbar nerve pass communicating branches, the lumbosacral trunk, to the sacral plexus. The nerves of the lumbar plexus pass in front of the hip ...

  7. Congenital vertebral anomaly - Wikipedia

    en.wikipedia.org/wiki/Congenital_vertebral_anomaly

    Congenital vertebral anomalies are a collection of malformations of the spine.Most, around 85%, are not clinically significant, but they can cause compression of the spinal cord by deforming the vertebral canal or causing instability.

  8. Iliohypogastric nerve - Wikipedia

    en.wikipedia.org/wiki/Iliohypogastric_nerve

    The lateral cutaneous branch ("iliac branch") pierces the internal oblique muscles and the external oblique muscles immediately above the iliac crest. [4] It is distributed to the skin of the gluteal region, behind the lateral cutaneous branch of the subcostal nerve; the size of this branch bears an inverse proportion to that of the lateral cutaneous branch of the subcostal nerve.

  9. Lumbar spinal stenosis - Wikipedia

    en.wikipedia.org/wiki/Lumbar_spinal_stenosis

    Lumbar spinal stenosis (LSS) is a medical condition in which the spinal canal narrows and compresses the nerves and blood vessels at the level of the lumbar vertebrae. ...

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