Abstract #4091

Comparison of single-shot EPI DWI, multi-shot EPI DWI, and single-shot EPI DWI using Compressed SENSE framework in prostate

Ayumu kido¹, Tsutomu Tamada¹, Yu Ueda², Masami Yoneyama², Jaladhar Neelavalli³, and Akira Yamamoto¹

¹Kawasaki Medical School, Okayama, Japan, ²Philips Japan, Tokyo, Japan, ³Philips India, Bangalore, India

Single-shot EPI (sshEPI) DWI still suffers from distortion and blurring. Multi-shot EPI (mshEPI) DWI called IRIS and sshEPI DWI using C-SENSE (a combination of parallel imaging and compressed sensing) enables to reduce distortion and blurring. A total of 14 prostate cancer (PC) patients underwent mpMRI including sshEPI DWI, IRIS, and sshEPI DWI using C-SENSE under the same scan time. The sshEPI DWI has comparable the diagnostic performance of PC equivalent to sshEPI DWI using C-SENSE and IRIS, whereas sshEPI DWI using C-SENSE and IRIS improve the image distortion and image blurring compared to sshEPI DWI.

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