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Musculoskeletal Ultrasound: Focused Impact on MRI

¹ Department of Radiology, University of Michigan, 1500 E Medical Center Dr., TC-2910L, Ann Arbor, MI 48109-0326.

OBJECTIVE. This article will compare and contrast image interpretation, accuracy, observer variability, economic impact, and education with regard to musculoskeletal ultrasound and MRI because these factors will influence the growth of musculoskeletal ultrasound and the impact on MRI.

CONCLUSION. The use of musculoskeletal ultrasound continues to grow and there are a number of factors that impact MRI. The development of less expensive portable ultrasound machines has opened the market to nonradiologists, and applications for musculoskeletal ultrasound have broadened. Selective substitution of musculoskeletal ultrasound for MRI can result in significant cost saving to the health care system. Although this change could decrease the use of MRI, issues related to accuracy, variability, education, and competence must be addressed.

Keywords: health care policy • imaging utilization • medical education • MRI • musculoskeletal ultrasound • radiology residency

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