W129 Spinal Compression

Question 1

What sensory modalities are from Spinothalamic tract?

Answer 1

pain and temperature

Question 2

What sensory modalities come through Dorsal Column?

Answer 2

soft touch, proprioception, two-point discrimination

Question 3

what is brown sequard syndrome?

Answer 3

Incomplete spinal cord lesion characterised by:

• ipsilateral upper motor neuron paralysis
• and (ipsilateral) loss of proprioception,
• contralateral loss of pain and temperature sensation.

can be more stuff depending on location and severity

Question 4

Are Spinothalamic and dorsal column ascending or descending pathways?

Answer 4

Ascending- sensory

Question 5

Is the descending pathways motor or sensory?

Answer 5

MOTORRRR

Question 6

Does the descending motor pathway decuss?

Answer 6

Yes. Pyramids.

Question 7

If there is a lesion below pyramids the effect on motor function would be on which side of the body?

Answer 7

Ipsilateral? (I think)

Question 8

If there’s a lesion above pyramids, the motor function would be affected on which side of the body (in relation to lesion)?

Answer 8

contralateral (I think?… lemmie know if I’m wrong!!)

Question 9

What are the two main descending tracts?

Answer 9

• corticospinal tract

- autonomic pathways (esp bladder, bowel, sexual function)