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Abstract #3249

Improved Image Quality with Deep Learning-Based Image Reconstruction for Multi-shot Diffusion-Weighted Imaging of the Prostate

Patricia S. Lan1, Xinzeng Wang2, Alessandro Scotti3, Praveen Jayapal4, Pingni Wang1, Arnaud Guidon5, and Andreas M. Loening4
1GE Healthcare, Menlo Park, CA, United States, 2GE Healthcare, Houston, TX, United States, 3GE Healthcare, Columbus, OH, United States, 4Department of Radiology, Stanford University, Stanford, CA, United States, 5GE Healthcare, Boston, MA, United States

Synopsis

Keywords: Diffusion/other diffusion imaging techniques, Diffusion/other diffusion imaging techniquesDiffusion-weighted imaging (DWI) is a key component of identifying prostate tumors on MRI. Multi-shot DWI techniques (e.g. MUSE) have been shown to enable high resolution prostate DWI and, compared to single-shot DWI, reduce distortion artifacts due to rectal gas and hip implants at the expense of increased scan time. In this study, we evaluated a CNN-based deep learning (DL) image reconstruction method for MUSE. Our results indicate that for high b-value images the DL-based reconstruction improved perceived image quality even with half the original NEX, suggesting potential scan time reduction using DL.

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Keywords