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Abstract #1649

Deep Learning Based Reconstruction for Multi-shot DWI of the Breast: A Preliminary Study

Ning Chien1, Cheng-Ya Yeh1, Yi-Chen Chen1, Yeun-Chung Chang2, Chia-Wei Li3, Chien-Yuan Lin3, Patricia Lan4, Xinzeng Wang5, Arnaud Guidon6, and Kao-Lang Liu1
1Department of Medical Imaging, National Taiwan University Cancer Center and National Taiwan University College of Medicine, Taipei, Taiwan, 2Department of Medical Imaging, National Taiwan University Hospital and National Taiwan University College of Medicine, Taipei, Taiwan, 3GE Healthcare, Taipei, Taiwan, 4GE Healthcare, Menlo Park, CA, United States, 5GE Healthcare, Houston, TX, United States, 6GE Healthcare, Boston, MA, United States

Synopsis

Keywords: Breast, Machine Learning/Artificial Intelligence, Deep learning reconstruction, Multi-shot DWIDiffusion-weighted imaging (DWI) in the breast is limited by image distortion, which can be improved with multi-shot DWI (MUSE). We conducted a pilot study to investigate the impact of deep-learning reconstruction (DLRecon) on MUSE image quality. Compared with the non-DL MUSE images, the MUSE DLRecon showed higher SNR without altering the mean ADC value. Moreover, the higher shots MUSE DL with reduced NEX could provide less-distortion DWI with comparable SNR and scan time to 2-shot MUSE imaging, which is commonly used in the clinical setting. Preliminary results indicate the feasibility of MUSE-DWI in the breast with higher number of shots.

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Keywords