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Abstract #0344

Reduced distortion in prostate DWI by using split echo type TSE-DWI (SPLICE) with MultiVane acquisition

Yuta Akamine1, Tomoyuki Okuaki1, Satoshi Goshima2, Kimihiro Kajita2, Masatoshi Honda1, Masami Yoneyama1, Makoto Obara1, and Marc Van Cauteren3

1Philips Japan, Shinagawa, Tokyo, Japan, 2Department of Radiology, Gifu University Hospital, Gifu, Japan, 3Philips Healthcare, Shinagawa, Tokyo, Japan

To reduce image distortion in prostate DWI, split-echo type TSE-DWI (SPLICE) was combined with MultiVane (current Philips implementation of PROPELLER) acquisition, named MV-SPLICE. To avoid non-CPMG artifacts in SPLICE, the spin echoes and stimulated echoes were separated by the unbalanced readout gradient and acquired in separate MultiVane k-space for separate reconstruction. ADCs and SNRs in transition zone and peripheral zone, and distortion for DWI and T2W images in the anterior-posterior direction of prostate diameter for MV-SPLICE were compared to conventional EPI and MultiVane TSE-DWI (MV-ALSOP). We demonstrated that MV-SPLICE is insensitive to distortion and can provide comparable ADC measurement.

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