As techniques in orthopedic surgery and, specifically, ar-throscopic surgery continue to advance, the demands of patients and surgeons regarding preoperative diagnosis, preoperative planning, and preoperative patient counseling continue to increase. Fortunately, medical imaging continues to advance and improve and thus match many of the demands and expectations of surgeons and patients. Most recently, advances in MR imaging such as higher field magnets, stronger and faster gradients, more robust coil designs, and more efficient sequences have significantly improved imaging of the musculoskeletal system. In some cases, such improvements have resulted in sufficient spatial and contrast resolution so as to obviate the need for arthrography prior to MR imaging. In addition, advances in CT including tube, detector, and software modifications have significantly improved CT image quality and the amount of information that can be obtained.
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