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Wk.4 Cervical Spinal Stenosis Guaranteed Success What is stenosis, what is it associated with and when is it seen ️narrowing of the spinal canal can be central/ lateral - associated with spondylosis - seen in pts over 50 What are the three types of C-spine stenosis you can have? ️Degenera...

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  • September 27, 2024
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  • Wk.4 Cervical Spinal Stenosis Guaranteed Success
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Wk.4 Cervical Spinal Stenosis Guaranteed Success
What is stenosis, what is it associated with and when is it seen ✔️narrowing of the spinal canal can be
central/ lateral

- associated with spondylosis

- seen in pts over 50



What are the three types of C-spine stenosis you can have? ✔️Degenerative- osteophyte formation,
degenerative disc, hypertrophy of ligamentum flavum



Congenital- present due to spinal development



Traumatic- single incident



What bony structures can cause spinal stenosis's? ✔️• Osteophytes on vertebral bodies posterior or
posterior lateral

• Facet joint osteophytes

• Uncovertebral joint osteophytes



What are soft tissue structures that can cause stenosis's ✔️• Disc protrusion or calcification

• Ossified Posterior Longitudinal Ligament

• Ligament Flavum hypertrophy & buckling



Explain how cerevical spinal stenosis may present ✔️• Chronic and slowly progressive

• Usually episodes of worsening symptoms

• May have focal radicular type symptoms

• May present with cervical spondylotic myelopathy



Explain the spinal canal mechanics with flexion, extension, and rotation ✔️Flexion - widening of the
central spinal canal by 31%

, extension- Narrowing of the canl 20%

rotation- ipsilateral narrowing with contralateral widening



What are the 3 symptom complexes associated with symptomatic spondylosis? ✔️• Axial spine pain-
most common in middle ages

• Radicular pain- (herniated disc, neuroforaminal stenosis or both)

• Myelopathy- central stenosis leading to cord compression



What are major mechanisms in cervical myelopathy? ✔️• Direct compression of the spinal cord by
bony or fibrocalcific tissues

• Ischemia caused by compromise of the vascular supply to the cord

• Repeated trauma secondary to normal flexion and extension of the neck



what are risk factors and prognosis of someone with a stenosis? ✔️Stenosis is present in 90% of
individuals by age 70

Most common spinal cord dysfunction in an

individual over 55

Males > females

Asian descent higher prevalence

Prognosis is variable



what are signs and symptoms of cervical myelopathy ✔️neck and UE pain

weakness in UE/ LE

LMN signs at sign of lesion

UMN signs lower than lesion

gait disorders/ bowel and bladder dusfunction

Lhermitte's sign



What is Lhermitt's signs? ✔️Lhermitte's signs

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