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Abstract #1691

Comparison of New MR Approaches for Accelerated Knee Imaging

Ananya Goyal1, Christopher Beaulieu1, Maggie Fung2, Trevor Kolupar3, Akshay Chaudhari1, Kathryn Stevens1, and Feliks Kogan1
1Radiology, Stanford University, Stanford, CA, United States, 2GE Healthcare, New York, NY, United States, 3GE Healthcare, Milwaukee, WI, United States


Conventional knee MRI protocols use numerous 2D-FSE sequences with multiple contrasts, which have long scan times and don’t fully use modern parallel imaging and improved SNR technologies.In this abstract, we outline four approaches that reduce protocol times to <6 minutes and potentially add diagnostic value through quantitative data or oblique reformats.These include an accelerated conventional 2D protocol, SNR-efficient 3D qDESS and CUBE approaches, and a thin-Slice protocol with high slice resolution.We propose a study that will evaluate the performance of each of these knee MRI protocols, and determine diagnostic utility and confidence with respect to fluid sensitivity and tissue pathologies.

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