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: ENT
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: MRI – MRI with gadolinium contrast is the gold standard for the diagnosis or exclusion of vestibular Schwannoma