Musculoskeletal (MSK) radiology is a radiological subspecialty that has expanded its knowledge base and imaging capabilities with the advent of MRI, multi/detector CT, ult- sound, and PET. Prior to the advent of MRI, MSK radiologists used plain flm X-rays and arthrograms as their primary tools. The subspecialty has progressed from primary im- ing of osseous structures and indirect imaging of joint spaces, to direct imaging of soft tissue structures...