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
A patient is suspected to have vestibular Shwanomma, the investigation of choice for its diagnosis is: 
Select and explain. 
A. Contrast enhanced CT scan, B. Gadolinium enhanced MRI, C. SPECT, D. PET scan
B: Gadolinium enhanced MRI
Answer: B: Gadolinium enhanced MRI 
Explanation: Ans. Gadolinium enhanced MRI