Lumbar spinal stenosis classification [Neurosurgery Wiki]

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====== Lumbar spinal stenosis classification ======

{{rss>https://pubmed.ncbi.nlm.nih.gov/rss/search/1ve5_AlTrKT4E32oSLGwQAJEFaMAc87SfCwWdX6XjJ8L4B79c_/?limit=15&utm_campaign=pubmed-2&fc=20230522132653}}

There is still no widely accepted diagnostic or classification criteria for the diagnosis of [[Lumbar spinal stenosis]] (LSS) and as a consequence studies use widely differing eligibility criteria that limit the generalizability of reported findings
((Genevay S, Atlas SJ, Katz JN. Variation in eligibility criteria from studies
of radiculopathy due to a herniated disc and of neurogenic claudication due to
lumbar spinal stenosis: a structured literature review. Spine (Phila Pa 1976).
2010 Apr 1;35(7):803-11. doi: 10.1097/BRS.0b013e3181bc9454. Review. PubMed PMID: 
20228710; PubMed Central PMCID: PMC2854829.
)).

There are also no universally accepted radiographic definitions for the diagnosis of [[Lumbar central canal spinal stenosis]], [[lumbar lateral recess stenosis]] and [[lumbar foraminal stenosis]].

Three spinal canal morphologies were identified: (1) "flattened" canal with predominantly reduced spinal canal AP diameter, (2) spinal canal with predominantly reduced interlaminar angle, and (3) global reduction of all canal parameters. Early age at presentation and subtle spondylosis, although typical, should not be considered the identifying, differentiating factors
((Kitab SA, Alsulaiman AM, Benzel EC. Anatomic radiological variations in
developmental lumbar spinal stenosis: a prospective, control-matched comparative 
analysis. Spine J. 2014 May 1;14(5):808-15. doi: 10.1016/j.spinee.2013.09.012.
Epub 2013 Oct 9. PubMed PMID: 24314904.
)).

====== Multi-level spinal stenosis ======


===== Lumbar central spinal canal stenosis =====
[[Lumbar central spinal canal stenosis]].

===== Lumbar foraminal stenosis =====
[[Lumbar foraminal stenosis]]

===== Lumbar lateral recess stenosis =====
[[Lumbar lateral recess stenosis]]


----
Congenital stenosis.

Degenerative stenosis.
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Significant [[lumbar spinal stenosis]] and lower extremity arthritis may coexist in the elderly. This combination of lumbar stenosis with radiculopathy and lower extremity arthritis may lead to diagnostic uncertainty.

===== Hip spine syndrome =====

see [[Hip spine syndrome]].


{{::lumbar_spinal_stenosis_classification.png|}}

{{::lumbar_spinal_stenosis_classificationradiologic.png|}}