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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