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: Surgery
The term post traumatic epilepsy refers to seizures occurring - 
Select and explain. 
A. Within moments of head injury., B. Within 7 days of head injury., C. Within several weeks to months after head injury., D. Many years after head injury
C: Within several weeks to months after head injury.
Answer: C: Within several weeks to months after head injury. 
Explanation: • Harrison says “The superficial cortical scars that evolve from contusions are highly epileptogenic and may later manifest as seizures, even after many years.”