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Abstract #1140

Feasibility of Highly-accelerated High b-value Multi-shot Diffusion Weighted Imaging by Using Parametric POCSMUSE and Kurtosis Model

Shihui Chen1 and Hing-Chiu Chang1,2
1The Department of Biomedical Engineering, The Chinese University of Hong Kong, Hong Kong, Hong Kong, 2Multi-scale Medical Robotics Center, Hong Kong, Hong Kong

Synopsis

Keywords: Image Reconstruction, Diffusion/other diffusion imaging techniques, high b-value diffusion weighted imaging, multi-shot diffusion-weighted imagingHigh b-value DWI is promising in detection of white matter pathology and infarctions. However, the disadvantages of the acquired high b-value DWI, such as insufficient SNR and image distortions, prohibits its clinical application. Though the feasibility of computed high b-value has been estimated in prostate cancer, the parameters derived from low b-value images cannot be used for diffusion kurtosis model fitting and achieved inferior performance at high b-value. In this study, we proposed a framework based on parametric POCSMUSE and kurtosis model to generate multiple high b-value images with comparable image quality to MUSE from highly-accelerated high b-value DWI.

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