Abstract #4087

Synthetic DWI in prostate

Yu Ueda¹, Tsutomu Tamada², Makoto Obara¹, Tetsuo Ogino¹, Daisuke Morimoto-Ishikawa³, Hiroyasu Sanai², Koji Yoshida², Ayumu Kido², Tomoko Hyodo⁴, Kazunari Ishii⁴, Masami Yoneyama¹, and Marc Van Cauteren⁵

¹Philips Japan, Tokyo, Japan, ²Department of Radiology, Kawasaki Medical School, Okayama, Japan, ³Radiology Center, Kindai University Hospital, Osaka, Japan, ⁴Department of Radiology, Kindai University, Osaka, Japan, ⁵BIU MR Asia Pacific, Philips Healthcare, Tokyo, Japan

The usefulness of short TR DWI in prostate has been reported. However, care should be taken when setting TR as DWI with shorter TR suffers from low SNR. It would be beneficial to generate an additional DWI with shorter TR (e.g. 1000ms) from DWIs with two different TR (e.g. conventional [long] and short TR such as 6000 and 2000ms). The synthetic DWI at b = 1000 s/mm² (DWI₁₀₀₀) with shorter TR of 1000ms calculated from DWIs with TR of 6000 and 2000ms had a tendency to show better diffusion contrast compared to the real-acquired DWI₁₀₀₀ with long TR of 6000ms.

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