Diffusion Imaging comparison of high-performance Gradient system (MAGNUS) with clinical MR system.
H. Douglas Morris1, Nastaren Abad2, Radhika Madhavan3, Chitresh Bhushan2, Ante Zhu2, Luca Marinelli2, Eric Fiveland2, J Kevin DeMarco4,5, Robert S Shih4,5, Maureen Hood4,5, Gail Kohls4, Kimbra Kenny4, Tom K F Foo2, and Vincent B Ho4,5
1Radiology and Radiological Sciences, Uniform Services University of the Health Sciences, Bethesda, MD, United States, 2GE Global Research, Niskayuna, NY, United States, 3GE Healthcare, Niskayuna, NY, United States, 4Walter Reed National Military Medical Center, Bethesda, MD, United States, 5Uniform Services University of the Health Sciences, Bethesda, MD, United States
Comparisons of the multi-shell DWI is described for the USU/GE MAGNUS 3T head-only gradient system and a clinical whole-body GE MR750 3T magnet system. The advantages of high-performance gradients are shown in analysis outcomes of dMRI metrics. Direct comparison is made between identical diffusion pulse sequences and system optimized sequences for each platform. The shorter TE and high-gradient strength of MAGNUS enhance SNR and diffusion imaging response.
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