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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