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Abstract #2501

To Assess Stretched-Exponential and Monoexponential Models for Diffusion-Weighted Imaging in Prostate Magnetic Resonance Imaging

Huiyan Li1, Yingjie Mei2, Queenie Chan3, and Yikai Xu1

1Department of Medical Imaging Center, Nanfang Hospital, Southern Medical University, Guangzhou, China, People's Republic of, 2Philips Healthcare, Guangzhou, China, People's Republic of, 3Philips Healthcare, HongKong, China, People's Republic of

DWI (diffusion weighted imaging) plays an important role in multiparametric MRI of prostate, and Stretched-exponential model (SEM) for DWI may better describe the diffusion-related signal decay than monoexponential model. Parameter DDC and α underwent statistic analysis between PCa and benign prostate hyperplasia(BPH)patients and correlation between ADC and DDC was also assessed . Our study shows SEM for DWI is feasible for prostate MRI examination. Parameter ADC and DDC had good correlations. However parameter α failed to distinguish PCa from BPH.

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