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: Radiology
In aoic dissection most accurate investigation is : 
Select and explain. 
A. ECG, B. CT scan, C. Aoography, D. MRI scan
D: MRI scan
Answer: D: MRI scan 
Explanation: Ans. MRI scan