Difference between revisions of "Vertebral column"
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|author1=[[User:Mikael Häggström|Mikael Häggström]] | |author1=[[User:Mikael Häggström|Mikael Häggström]] | ||
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===Spondylolisthesis=== | ===Spondylolisthesis=== | ||
[[File:SpondylolisthesisL5S1.jpg|thumb|Grade III anterolisthesis at the L5-S1 level.]] | [[File:SpondylolisthesisL5S1.jpg|thumb|Grade III anterolisthesis at the L5-S1 level.]] | ||
− | '''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=" | + | '''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> |
Anterolisthesis is classified by degree of the slippage, as measured as percentage of the width of the vertebral body:<ref>{{cite web|url=http://www.massgeneral.org/ortho-childrens/conditions-treatments/spondylolysis.aspx|title=Spondylolysis and Spondylolisthesis of the Lumbar Spine|website=Massachusetts General Hospital|accessdate=2016-12-14}}</ref> | Anterolisthesis is classified by degree of the slippage, as measured as percentage of the width of the vertebral body:<ref>{{cite web|url=http://www.massgeneral.org/ortho-childrens/conditions-treatments/spondylolysis.aspx|title=Spondylolysis and Spondylolisthesis of the Lumbar Spine|website=Massachusetts General Hospital|accessdate=2016-12-14}}</ref> | ||
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*Grade V: greater than 100% | *Grade V: greater than 100% | ||
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Revision as of 10:43, 26 September 2018
Author:
Mikael Häggström [notes 1]
Diseases
Spondylolisthesis
Spondylolisthesis includes anterolisthesis (anterior displacement of a vertebra over the vertebra inferior to it (or the sacrum).) and retrolisthesis (posterior displacement).[notes 2]
Anterolisthesis is classified by degree of the slippage, as measured as percentage of the width of the vertebral body:[1]
- Grade I: 0-25%
- Grade II: 25- 50%
- Grade III: 50-75%
- Grade IV: 75-100%
- Grade V: greater than 100%
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.
References
- ↑ . Spondylolysis and Spondylolisthesis of the Lumbar Spine. Massachusetts General Hospital. Retrieved on 2016-12-14.