Myelopathies

Question 1

Compare postural reactions in LMN vs UMN

Answer 1

UMN: abnormal postural reactions
LMN: normal postural reactions

Question 2

What do postural reactions tell us?

Answer 2

Not much, just that the PNS and CNS is intact

Question 3

What is the order of functional loss of neurologic function?

Answer 3

Proprioception
Weakness (paresis)
Motor (plegia)
Bladder
Nociception

Question 4

Hansen Type I IVDD

Answer 4

Chondroid degeneration
Nucelus pulposus extrudes through annulus - herniation
Calcified disc
Doxies, corgis

Question 5

Hansen Type II IVDD

Answer 5

Fibroid degeneration
Progressive thickening og the annulus firbosis protrudes into vertebral canal
Shepherds

Question 6

What is the most common location for type I IVDD?

Answer 6

T11-L2

Question 7

What is the imaging modality of choice for IVDD?

Answer 7

MRI

Question 8

What is the treatment for cervical intervertebral disc disease?

Answer 8

Do not respond as well to conservative management - consider surgery in more mild cases

Question 9

What are the goals for IVDD surgery?

Answer 9

Remove compression
Hemilaminectomy
Ventral slot for cervical discs