Difference between revisions of "Spondylolisthesis"
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| − | [[File:Spondylolisthesis measurement on X-ray.png|thumb|Spondylolisthesis measurement on X-ray]] | + | [[File:Spondylolisthesis measurement on X-ray.png|thumb|Spondylolisthesis measurement on X-ray, 25% in this example.]] |
'''Spondylolisthesis''' includes '''anterolisthesis''' (anterior displacement of a vertebra over the vertebra inferior to it (or the [[sacrum]]).) and '''retrolisthesis''' (posterior displacement).<ref name="Terminology" group="notes">Spondylolisthesis is sometimes defined as anterior displacement specifically, see for example [https://en.wikipedia.org/wiki/Spondylolisthesis#Terminology Spondylolisthesis terminology] in Wikipedia for details.</ref> | '''Spondylolisthesis''' includes '''anterolisthesis''' (anterior displacement of a vertebra over the vertebra inferior to it (or the [[sacrum]]).) and '''retrolisthesis''' (posterior displacement).<ref name="Terminology" group="notes">Spondylolisthesis is sometimes defined as anterior displacement specifically, see for example [https://en.wikipedia.org/wiki/Spondylolisthesis#Terminology Spondylolisthesis terminology] in Wikipedia for details.</ref> | ||
Revision as of 16:14, 22 April 2019
Author:
Mikael Häggström [notes 1]
Spondylolisthesis includes anterolisthesis (anterior displacement of a vertebra over the vertebra inferior to it (or the sacrum).) and retrolisthesis (posterior displacement).[notes 2]
Report
Although classification systems exist,Cite error: Invalid <ref> tag;
invalid names, e.g. too many
- Grade I: 0-25%
- Grade II: 25- 50%
- Grade III: 50-75%
- Grade IV: 75-100%
- Grade V: greater than 100%
</ref> the most important parameter is the percentage of slippage as compared to the depth of the vertebral body.
Notes
- ↑ For a full list of contributors, see article history. Creators of images are attributed at the image description pages, seen by clicking on the images. See Radlines:Authorship for details.
- ↑ Spondylolisthesis is sometimes defined as anterior displacement specifically, see for example Spondylolisthesis terminology in Wikipedia for details.
