6. SPINAL STENOSIS
narrowing of the spinal canal
with nerve compressionWhat is it ?
leg pain and
neurogenic claudication
What does
it cause ?
7. SPINAL STENOSIS
when symptoms severeWhen do we
operate ?
SURGERY IN THE FORM OF DECOMPRESSION
nonoperative treatment
unsuccessful
Why do we
operate ?
8.
9.
10. SPINAL STENOSIS
stenosis with instability
• degenerative spondylolisthesis
• degenerative scoliosis
When do we
add fusion ?
SPONDYLOLISTHESIS SCOLIOSIS
11. Aetiology
• due to degeneration of
facet joint
• facet joint stability fails
and L4 slips forward on L5
• leads to spinal stenosis
DEGENERATIVE SPONDYLOLISTHESIS
12.
13.
14.
15. DEGENERATIVE SCOLIOSIS
Aetiology
• due to asymmetric
degeneration of disc and
facet joint
• vertebral tilt leads to
spinal deformity and
accelerated degeneration
• associated spinal stenosis