Two-dimensional and three-dimensional MRI has evolved into the leading modality for the non-invasive assessment of joints, cartilage, ligaments, tendons, muscles, and nerves. Multiple techniques for acceleration of 2D and 3D MRI have been developed, validated, and in part already clinically implemented. 2D MRI can be accelerated with parallel imaging, simultaneous multislice, compressed sensing techniques, and combinations thereof, achieving 8-fold accelerated data sampling. 3D MRI can be accelerated with uni-directional and bi-directional parallel imaging, compressed sensing, and high-density multi-channel coils, achieving 10-fold accelerated data sampling. In addition, synthetic MRI techniques allow for increased efficiency through the generation of qualitative and quantitative MR images and maps, respectively, from parental quantitative datasets. Current acceleration techniques provide powerful tools for efficient acquisition of comprehensive MRI exams with superb image quality in 5 to 10 minute to meet today’s value challenges. This course will review and illustrated strategies for the clinical implementation of currently available rapid MRI techniques for imaging of the musculoskeletal system and further discuss limitations, unmet needs, challenges, and future opportunities.

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References

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