lumbar spinal stenosis

Question 1

what is lumbar spinal stenosis?

Answer 1

central canal is narrowed by tumour, disc prolapse or other degenerative changes

compression of nerve roots- by ventral disc bulging, oestephyte formation at dorsal facet + ligamentum flavum hypertrophy

Question 2

how do patients with lumbar spinal stenosis present?

Answer 2

back pain
neuropathic pain
symptoms mimick claudication
pain improves on sitting
pain improves on leaning forward or walking uphill

Question 3

how is lumbar spinal stenosis diagnosed?

Answer 3

MRI

Question 4

what is the treatment for lumbar spinal stenosis?

Answer 4

laminectomy