Spondylo is the source word for numerous terms relenten different problems of the spine viewed on MRI, and because that this overlap the may provide rise to confusion. Let’s begin with part definitions.

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Spondylosis is a basic term referring to a normally diffuse degenerative and also age related process involving facet arthropathy and also hypertrophy, hypertrophic vertebral changes, and ligamentous transforms including lengthening and also buckling. This latter procedure produces evident ligamentous thickening i beg your pardon is sometimes inaccurately referred to as ligamentous hypertrophy. Spondylosis is materialized somewhat in different ways in the cervical spine 보다 in the lumbar spine. In the cervical spine stresses are mainly rotational and to a lesserextent axial loading and spondylosis is viewed in ligaments, uncovertebral(uncinate) hypertrophy and spondylotic ridges AKA disc-osteophyte complex. The key osteophyte complicated is a protruding ridge created of chronically bulging key encased through bony hypertrophy and also granulation or scar tissue and also is various from a focal or pure disc herniation, which room less common in the cervical spine. In the lumbar regions, stressors are primarily related to axial loading (weight), and spondylosis outcomes in ligamentous and facet changes and also marginal osteophytes. Discogenic transforms in the lumbar spine selection from large based symmetric bowl bulging to focal disc protrusions or extrusions.


Spondylolisthesisrefers to a readjust in place of one vertebral body through relation come another, commonly anterolisthesis. Spondylolisthesis come in three flavors: degenerative, postoperative, and spondylolytic. Degenerative spondylolisthesis occurs as soon as the vertebral body has actually slipped forward on the vertebra listed below as a result of degenerative processes and also spondylosis and usually results in varying levels of both canal and foraminal stenosis.

Spondylolysisis a term offered to suggest either fracture or congenital defect in the Pars Interarticularis i beg your pardon is a small bony segment leading to and supporting the articular facet in the posterior elements. Once there is a pars defect or fracture, the vertebral body may slip front (spondylolisthesis)while the posterior column might remain addressed or on slide backwards slightly. This results in canal widening through foraminal narrowing.

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Postoperative spondylolisthesisoccurs as soon as laminectomy has actually been performed and, comparable to pars defect or fracture, outcomes in canal widening through or there is no foraminal narrowing.