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Abstract #3711

Feasibility of synthetic short TR and short TE DWI in prostate cancer

Yu Ueda1, Tsutomu Tamada2, Hiroyasu Sanai2, Kazunori Moriya2, Ayumu Kido2, Makoto Obara1, Tetsuo Ogino1, and Marc Van Cauteren3
1Philips Japan, Ltd., Tokyo, Japan, 2Department of Radiology, Kawasaki Medical School, Okayama, Japan, 3Philips Healthcare, Asia Pacific, Tokyo, Japan


Diffusion-weighted imaging (DWI) with shorter echo time (TE) could be exploited to improve diffusion contrast by minimizing T2 shine-through due to longer T2 in normal prostate. However, clinical magnetic resonance imaging (MRI) scanner has limitation in shortening TE in conventional DWI. It would be beneficial to generate additional DWI with short TE from DWIs with two different TE, in addition to short repetition time (TR) which improvement of diffusion contrast has been reported. The synthetic DWI with shorter TR (1000 ms) and TE (1 ms) tended to show better diffusion contrast than real-acquired DWI with conventional TR and TE.

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