Cervical And Lumbar Stenosis
what is stenosis ️the abnormal narrowing of a passage in the body
what are the 3 main locations in the vertebral column of stenosis? ️central canal
foraminal
lateral recess stenosis
how is stenosis examined? ️axial CT and MRI
degenerative joint disea...
Cervical And Lumbar Stenosis
what is stenosis ✔️the abnormal narrowing of a passage in the body
what are the 3 main locations in the vertebral column of stenosis? ✔️central canal
foraminal
lateral recess stenosis
how is stenosis examined? ✔️axial CT and MRI
degenerative joint disease ✔️Common cause of spinal stenosis
Can be primary - idiopathic
Or secondary too trauma/infection/development abnormality
Incidence increases with age
Poor correlation between radiographic findings and symptoms
primary osteoarthritis ✔️Chronic degenerative disorder of joints related to aging
As age increases water content of the cartilage decreases due to decreased proteoglycan = cartilage less
resilient
Without proteoglycans collagen fibres become susceptible to degradation
Inflammation surrounding joint capsule can occur
As breakdown products from the cartilage are released into the synovial space and the cells lining the
joint attempt to remove them
Capsular inflammation can cause local joint pain, stiffness and swelling
With degeneration osteophytes from as an attempt to stabilise the joint
pathophysiology of disc degeneration ✔️Rate of synthesis of proteoglycans reduces with age
Chondroitin sulphate decreases
Nucleus becomes more fibrous, dry and unable to bind water
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