This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Physiology
All are involved in Brown sequard syndrome except 
Select and explain. 
A. Ipsilateral pyramidal tract, B. Contralateral dorsal column, C. Contralateral spinothalamic tract, D. Ipsilateral plantar extensor
B: Contralateral dorsal column
Answer: B: Contralateral dorsal column 
Explanation: In Brown sequard syndrome, a hemisection of the spinal cord results in 
-        Sensory

Loss of Ipsilateral dorsal column sensations. 
Loss of contralateral lateral column sensations.

-        Motor

Loss of ipsilateral corticospinal action- results in UMNL- Extensor plantar response.