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Abstract #3969

Readout-segmented EPI using 2D spatially-selective RF excitation pulses for DWI with reduced FOV

Wei Liu1, Thomas Benkert1, and Elisabeth Weiland1
1MR Application Predevelopment, Siemens Healthcare GmbH, Erlangen, Germany

Synopsis

Keywords: Pulse Sequence Design, Diffusion/other diffusion imaging techniquesIn this work, we propose to further minimize the distortion and T2* blurring in DWI by the combination of readout-segmented EPI and 2D spatially-selective RF excitation. We demonstrate its application to DWI of the temporal lobe and the uterus. The experimental results based on volunteer scans show substantial distortion reduction in the proposed method, compared to the conventional 2DRF based single-shot EPI with reduced FOV.

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