Journal
JOURNAL OF MAGNETIC RESONANCE IMAGING
Volume 25, Issue 2, Pages 234-244Publisher
WILEY
DOI: 10.1002/jmri.20854
Keywords
low field; MRI; musculoskeletal; extremity scanner; knee; shoulder
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Since it was first introduced in the field of medical imaging in the early 1980s, MRI has become essential for the diagnosis and treatment of musculoskeletal conditions. Most imaging in the United States is performed on high-field (> 1.0T), whole-body scanners. However, for reasons discussed below, imaging at low (< 0.5T) and medium (0.5-1.0T) field strengths using small, low-cost, easily installed scanners in imaging centers and physicians' offices is gainful for imaging the upper and lower extremities, from the shoulder to the fingers and the hips to the toes. In this review we provide an overview of the different available extremity scanners and their advantages and disadvantages, briefly review the literature regarding their use, and discuss our experience in using low-field extremity scanners to evaluate joints.
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