Abstract #1370

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 DeMarco^4,5, Robert S Shih^4,5, Maureen Hood^4,5, Gail Kohls⁴, Kimbra Kenny⁴, Tom K F Foo², and Vincent B Ho^4,5

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

Synopsis

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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