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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