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Abstract #5174

Fat Saturation in Musculoskeletal MRI using Spectral Heterogeneity Adaptive RF Pulses (SHARP)

Venkata Veerendranadh Chebrolu1, Matthew Frick2, Peter Kollasch1, Benjamin Schmitt3, Vibhas Deshpande4, John Grinstead5, Daniel Spence2, Joel Felmlee2, and Kimberly K Amrami2

1Siemens Healthineers, Rochester, MN, United States, 2Mayo Clinic, Rochester, MN, United States, 3Siemens Healthineers, Macquarie Park, Australia, 4Siemens Healthineers, Austin, TX, United States, 5Siemens Healthineers, Portland, OR, United States

In this work we propose the use of adaptive RF pulses for achieving uniform fat-saturation (fat-sat) that is robust to B0 and B1 heterogeneity often observed in musculoskeletal MRI. A prototype with Spectral Heterogeneity Adaptive RF Pulses (SHARP) was developed to improve the quality and functionality of fat-sat. SHARP was shown to provide fat-sat with higher robustness to B0 and B1 heterogeneity compared to SPIR and SPAIR fat-sat methodologies.

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