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
[{'content': 'Investigation of choice for spinal TB \nSelect and explain. \nA. X-ray, B. CT Scan, C. MRI, D. PET Scan', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Answer- C. MRIBest view for Cl-C2 veebrae & junction - open mouth odontoid (pegs) view.Investigation of choice for spinal tuberculosis - MRIInvestigation of choice for traumatic paraplagia - MRI', 'role': 'assistant'}]