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Abstract #4010

B1 and B0 Insensitive Uniform Fat-saturation for Joint Imaging

Venkata Veerendranadh Chebrolu1, Sinyeob Ahn2, Peter Kollasch1, Fei Han3, Xiaodong Zhong3, John Grinstead4, and Vibhas Deshpande5

1Siemens Healthineers, Rochester, MN, United States, 2Siemens Healthineers, Berkeley, CA, United States, 3Siemens Healthineers, Los Angeles, CA, United States, 4Siemens Healthineers, Portland, OR, United States, 5Siemens Healthineers, Austin, TX, United States

In this work we propose B1 and B0 insensitive, uniform, and robust fat suppression for joint imaging using dual repetition spectrally selective high bandwidth Shinnar–Le Roux RF pulses. The optimal flip angle combinations for B1 insensitivity were calculated using Bloch simulations. Efficacy of the novel fat-sat mechanism in achieving B1 robust uniform fat-sat was demonstrated in the knee at 3T.

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