HY 21

[Anonymous]

Our members don't see this ad.

Football player with trauma to the spinal T6. Couldn't move his legs and no sensation. A few weeks later, he can move his right leg with some sensory function and has pain and temperature sensation on the left leg. What type of injury did he have?

Choices: hemisection of right side of spinal cord, hemisection of left side of spinal cord., and other choices throught a cross section of a spinal cord.

[Anonymous]

the wording is a bit confusing so correct me if i'm wrong, but i think its saying that the motor and sensory loss was on the right leg, and the pain and temp loss was on the left leg? if this is the quesiton, than i think the answer is hemisection of right side of spinal cord.

the corticospinal tract carries motor control to lower limbs and crosses in the medulla. so the motor loss would be ipsilateral if in the spinal cord.

the dorsal column (medial leminiscal pathway) carries sensory (conscious proprioception, fine touch, 2 pt discrimination, vibration, pressure) and also crosses in the medulla. sensory loss would be ipsilateral in spinal cord.

the spintothalamic tract carries pain and temp sensation and crosses in the spinal cord. pain and temp loss would occur contalaterally below the lesion in the spinal cord.


Ref: kaplan neuro notes

[Anonymous]

All ipsilateral in ** Syndrome except Spinothalamic tract carrying pain and temp.