Spinal stenosis

Question 1

What are the 3 types

Answer 1

Central stenosis
Lateral stenosis - narrowing of the nerve root canals
Foramina stenosis

Question 2

What are the causes of spinal canal narrowing

Answer 2

Congenital
Degenerative
Herniated discs
Thickening of ligamenta flava or posterior longitudinal ligament
Spinal fractures
Spondylolisthesis
Tumours

Question 3

How quickly do symptoms start

Answer 3

gradually

Question 4

How does intermittent neurogenic claudication present? what type of stenosis causes it

Answer 4

Lumbar central spinal
Lower back pain
Buttock and leg pain
Leg weakness
Occurs when standing and walking and symptoms improved by bending forward
Absent at rest and when seated

Question 5

What can intermittent neurogenic claudication be confused for? How would you different between the two?

Answer 5

Peripheral arterial disease
Doesn’t have back pain
ABPI would be normal with INC

Question 6

What are surgical treatment options

Answer 6

Decompression surgery
Laminectomy