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Abstract #0650

Multiband RF Excitation for Accelerating Magnetic Resonance Imaging in the Presence of Metal

Nathan Artz 1 , Matthew Smith 1 , and Scott Reeder 1,2

1 Radiology, University of Wisconsin, Madison, WI, United States, 2 Medicine, University of Wisconsin, WI, United States

The purpose of this work was to develop and test multiband RF excitation to accelerate a fully phase encoded (FPE) technique when multiple RF excitations are required to excite a wide range of off-resonance near metallic implants. The femoral head of a hip prosthesis was placed in water and three separate scans were performed with a single RF band, each centered at a different RF offset (-4000, 0, +4000 Hz). The fourth scan used the MB RF pulse to excite all three RF bands simultaneously. This work demonstrates feasibility for reducing scan time using MB excitation near metal with FPE methods.

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