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Abstract #0742

Feasibility of accelerated diffusion weighted imaging for prostate cancer screening on prototype 0.55T system enabled with random matrix theory

Gregory Lemberskiy1, Dmitry S Novikov1, Mary Bruno1, Mahesh Bharath Keerthivasan2, Els Fieremans1, and Hersh Chandarana1
1Radiology, NYU School of Medicine, New York, NY, United States, 2Siemens Medical Solutions, New York, NY, United States

We compared standard and RMT reconstructions for a prostate DWI exam on a prototype 0.55T for varying number of averages (1 to 40) to evaluate the image quality and overall loss. For standard reconstructions, regardless of number of averages, the Rician bias is present even at 40 averages for high-b value data, whereas 1 average on RMT is sufficient to produce diagnostic grade DWI at 0.55T.

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