SC Lesions

Question 1

a lesion to the dorsal root of the SC would cause what

Answer 1

diminished tone and reflexes

Question 2

a lesion to the posterior column would cause what

Answer 2

ipsilateral loss of proprioception and 2 point tactile discrimination below the lesion

Question 3

a lesion to the lateral corticospinal tract (LCST) of the SC would cause what

Answer 3

ipsilateral UMN paralysis/paresis below lesion

Question 4

a lesion to the lateral spinothalmamic tract (LSTT) of the SC would cause what

Answer 4

contralateral loss of pain and temp sensations 2 sensory dermatomes below the lesion

Question 5

a lesion to the lateral reticulospinal tract (LRST) would cause what

Answer 5

loss of autonomic control (horners syndrome, bowel/ bladder incontinence)

Question 6

a lesion to the anterior horn of the SC would cause what

Answer 6

flaccid LMN paralysis

Question 7

a lesion to the anterior white commissure of the SC would cause what

Answer 7

bilateral analgesia, upper the UE

Question 8

a lesion to the fasiculus gracilis and cuneatus in the SC would cause what

Answer 8

loss of proprioception and 2 point discrimination

g: LE
c: UE