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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