What does limbus vertebra mean?

A limbus vertebra is a bone tubercle formed by bone trauma on a vertebral body, bearing a radiographic similarity to a vertebral fracture. The anterior-superior corner of a single vertebra is the common site for this defect although it can also be seen at the inferior corner as well as the posterior or anterior margin.

Limbus vertebra is a consequence of a remote injury in an immature skeleton, thought to result from herniation of the nucleus pulposus through the ring apophysis prior to fusion, separating a small segment from the vertebral rim.

Furthermore, what is vertebral apophysis? The ring apophysis is a secondary ossification center of the vertebral endplate connected to the intervertebral disc. It is firmly attached to disc fibrous annulus through Sharpey fibers and its ossification occurs at 4-6 years old.

Hereof, how do you treat limbus vertebrae?

Limbus vertebra is usually diasgnosed incidently and usually doesn’t need treetment. Symptomatic patients are treated conservatively but if conservative treatment fails surgical treatment may be needed. Usually total laminectomy is necessery for sufficient excision of limbus fragment [2].

Is limbus vertebra painful?

Limbus vertebra is not always symptomatic, but severe cases may lead to more serious pathological conditions and chronic pain. In rare instances, a posterior limbus vertebra has been described causing radiculopathy due to nerve root compression.

What is the limbus of the eye?

Anatomical terminology The corneal limbus is the border of the cornea and the sclera (the white of the eye). The limbus is a common site for the occurrence of corneal epithelial neoplasm. The limbus contains radially-oriented fibrovascular ridges known as the palisades of Vogt that may harbour a stem cell population.

What is Scheuermann’s disease?

Scheuermann’s Disease is a developmental disorder of the spine. It is also known as CalvĂ© disease and juvenile osteochondrosis of the spine. Scheuermann’s disease causes the abnormal growth of usually the thoracic (upper back) vertebrae, but it can aslo be found in the lumbar vertebrae.

What is a butterfly vertebrae?

Butterfly vertebra is a type of vertebral anomaly that results from the failure of fusion of the lateral halves of the vertebral body because of persistent notochordal tissue between them.

What is a teardrop fracture?

A flexion teardrop fracture is a fracture of the anteroinferior aspect of a cervical vertebral body due to flexion of the spine along with vertical axial compression. Both are associated with a small fragment being broken apart from the anteroinferior corner of the affected vertebra.

What is the nucleus pulposus made of?

Nucleus pulposus is the inner core of the vertebral disc. The core is composed of a jelly-like material that consists of mainly water, as well as a loose network of collagen fibers. The elastic inner structure allows the vertebral disc to withstand forces of compression and torsion.

What is a hangman fracture?

Hangman’s fracture is a break in a specific part of one bone in the neck. Bones of the spine are called vertebrae. The bone involved in hangman’s fracture is the second vertebra, toward the top of the neck, close to the skull. In a hangman’s fracture, the pars of C2 fractures, or breaks, on both sides.

What is a Schmorls node?

Schmorl nodes, also referred as intravertebral disc herniations, refer to protrusions of the cartilage of the intervertebral disc through the vertebral body endplate and into the adjacent vertebra. The protrusions may contact the marrow of the vertebra, leading to inflammation.

What is Retrolisthesis of l5 on s1?

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 found most prominently in the cervical spine and lumbar region but can also be seen in the thoracic area.

What are Apophyseal joints?

An apophyseal joint is a point where two or more bones join in the spine. The spinal joint is encapsulated by connective tissues, coated with cartilage and lubricated with synovial fluid to enable smooth joint articulation. Each vertebra has a pair of apophyseal joints- one on the left and one on the right.