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
Conditions with similar pain to trigeminal neuralgia are all except: 
Select and explain. 
A. Trotter's syndrome., B. Post-herpetic neuralgia., C. Reader's syndrome., D. None.
C: Reader's syndrome.
Answer: C: Reader's syndrome. 
Explanation: None