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Abstract #4642

Zoomed 3D GRE EPI utilizing a Segmented 2D Selective RF Pulse Excitation

Naoharu Kobayashi1, Michael Mullen1,2, Kamil Ugurbil1, and Michael Garwood1

1Center for Magnetic Resonance Research, Department of Radiology, University of Minnesota, Minneapolis, MN, United States, 2School of Physics and Astronomy, University of Minnesota, Minneapolis, MN, United States

Segmented 2D selective RF pulse excitation is introduced in 3D-EPI for zoomed imaging. The feasibility of the 2D selective pulse segmentation was tested in phantom and in vivo brain measurements. The segmented pulse excitation provided nearly identical excitation profile to a non-segmented pulse excitation. In zoomed in vivo brain imaging, the segmented pulse excitation showed conspicuous improvement of susceptibility artifacts around the frontal sinus.

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