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
Investigation of choice for spinal tuberculosis 
Select and explain. 
A. X-ray, B. CT-Scan, C. Open biopsy, D. MRI
D: MRI
Answer: D: MRI 
Explanation: Ans. is 'd' i.e., MRI Investigations in musculoskeletal system Investigation of choice for AVN Hip MR1 Best initial test for osteomyelitis -9 Plain x-ray Best second line test for osteomyelitis (if there is high clinical suspician and x-ray is negative) --> MRI Most accurate diagnostic test for osteomyelitis Bone biopsy and culture. Best view for scaphoid fracture --> Oblique (scaphoid) view of wrist. Best view for C1-C2 veebrae & junction -* Open mouth odontoid (Pegs) view. Investigation of choice for ACL & PCL injury MRI Investigation of choice to detect calcification --> CT scan Investigation of choice for prolapsed interveebral disc --> MRI Investigation of choice for spinal tuberculosis -4 MRI Investigation of choice for traumatic paraplagia --> MRI Gold standard and investigation of choice for osteoporosis --> Dual energy x-ray absorptiometry (DEXA).