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: Medicine
The following are components of Brown sequard syndrome except - 
Select and explain. 
A. Ipsilateral extensor plantar response, B. Ipsilateral pyramidal tract involvement, C. Contralateral spinothalamic tract involvement, D. Contralateral posterior column involvement
D: Contralateral posterior column involvement
Answer: D: Contralateral posterior column involvement 
Explanation: None