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: Pathology
The condition commonly involving V1 is 
Select and explain. 
A. Trigeminal Neuralgia, B. Trotter’s syndrome, C. Post herpetic neuralgia, D. Hunt’s syndrome
C: Post herpetic neuralgia
Answer: C: Post herpetic neuralgia 
Explanation: None