Difference between revisions of "Vertebral column"
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==Diseases== | ==Diseases== | ||
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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.]] | ||
Revision as of 20:42, 27 August 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).[note 1]
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
- ↑ 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.
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