We performed multi-b value diffusion-weighted imaging (DWI) to compare four phenomenological models (mono-exponential, bi-exponential, stretched exponential, and diffusion kurtosis imaging) with in vivo prostate cancer DWI data. A secondary aim is to compare results for different b-value ranges. The result showed that ADC derived from conventional mono-exponential model high b value (about 3200s/mm2) is an optional parameter for peripheral zone prostate cancer detection.
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