This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Nervous System, Subject name: Radiology
Investigation of choice for meningeal carcinomatosis? 
Select and explain. 
A. NC-CT, B. CE-CT, C. MRI with Gadolinium, D. PET
C: MRI with Gadolinium
Answer: C: MRI with Gadolinium 
Explanation: Ans CMeningeal carcinomatosis is invasion of meninges by carcinoma cells. Malignancies of lung, breast and melanoma are commonly involved.Contrast enhanced MRI is investigation of choice for evaluation