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Abstract #1634

Noise Reduction in Prostate Single-Shot DW-EPI utilizing Compressed SENSE Framework

Masami Yoneyama1, Kosuke Morita2, Johannes Peeters3, Takeshi Nakaura4, and Marc Van Cauteren5

1Philips Japan, Tokyo, Japan, 2Kumamoto University Hospital, Kumamoto, Japan, 3Philips Healthcare, Best, Netherlands, 4Graduate School of Medical Sciences, Kumamoto University, Kumamoto, Japan, 5Philips Healthcare, Tokyo, Japan

DWI is a key component of the prostate MRI examination, but current prostate DWI images have limited resolution. Small-FOV DWI with SENSE often suffers from increased noise artifacts. We attempt to utilize a combination of parallel imaging and compressed sensing technique (C-SENSE) framework for reducing the noise artifacts in single-shot DW-EPI images (EPI with C-SENSE: EPICS). EPICS clearly reduces noise-like artifacts and significantly improves the accuracy and robustness of ADC values in small FOV high b-value prostate DWI compared with conventional SENSE DW-EPI, without any penalty for scan parameters.

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