<prompt> Investigation of choice for spinal tuberculosisX-rayCT-ScanOpen biopsyMRI  <response>: 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. 