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Abstract #2269

Multiband-accelerated diffusion-weighted MR imaging of the abdominal organs: Initial experiences

Petros Martirosian 1 , Michael Erb 2 , Susanne Will 1 , Fritz Schick 1 , Sergios Gatidis 3 , Holger Schmidt 3,4 , Nina F Schwenzer 1,3 , and Christina Schraml 1,3

1 Section on Experimental Radiology, University of Tbingen, Tbingen, Germany, 2 Department of Biomedical Magnetic Resonance, University of Tbingen, Tbingen, Germany, 3 Department of Diagnostic and Interventional Radiology, University of Tbingen, Tbingen, Germany, 4 Department of Preclinical Imaging and Radiopharmacy, University of Tbingen, Tbingen, Germany

Diffusion-weighted imaging (DWI) of abdominal organs can require considerable measurement time, especially if respiratory triggering is performed. Here we present an approach to reduce the scan time of abdominal DWI by multiband-accelerated technique utilizing simultaneous radiofrequency excitation and acquisition of multiple slices. Our results reveal that a reduction of measuring time at least by 50 % is achievable without substantial compromising image quality using respiratory triggering. Multiband-accelerated technique seems to be a promising approach to reduce acquisition time in abdominal DWI applications for clinical routine.

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