Spinal cord trauma: Pathophysiology

Question 1

Anterior cord etiology

Answer 1

direct anterior cord compression

flexion of cervical spine

thrombosis of anterior spinal artery

Question 2

Anterior cord sxs. ?

Answer 2

Complete paralysis below the lesion with loss of pain and temperature sensation

Question 3

Anterior cord prognosis ?

Answer 3

poor

Question 4

Central cord etiology ?

Answer 4

Hyperextension injuries

Disruption of blood flow to the SC

Cervical spine stenosis

Question 5

Central cord sxs. ?

Answer 5

Quadriparesis - greater in the upper extremities than the LE.

some loss of pain and temperature sensation, also greater in the UE

Question 6

Central cord prognosis ?

Answer 6

good

Question 7

Brown-Séquard etiology ?

Answer 7

Transverse hemisection of the spinal cord

Unilateral cord compression

Question 8

Brown-Séquard sxs. ?

Answer 8

Contralateral loss of pain and temperature sensation

Loss of Ipsilateral spastic paresis,

loss propreception and vibratory sense

Question 9

Brown-Séquard prognosis ?

Answer 9

good

Question 10

Brown-Séquard has loss of contralateral what ?

Answer 10

Contralateral loss of pain and temperature sensation

Question 11

Brown-Séquard has loss of ipsilateral what ?

Answer 11

spastic paresis

proprioception

vibration sense

Question 12

Cauda equina etiology ?

Answer 12

Peripheral nerve injury

Question 13

Cauda equina sxs. ?

Answer 13

variable motor and sensors loos in the LE

sciatica, bowel/bladder dysfunction, “saddle anesthesia”

Question 14

Cauda equina prognosis ?

Answer 14

good

Question 15

AC compress - ventral root = loss of what function ?

Answer 15

motor