Abstract #1122

Correction of Artifacts Induced by B0 Inhomogeneities with RPG on a Breast Diffusion Phantom

Lauren K Fang¹, Ana E Rodriguez-Soto¹, Summer J Batasin², Kathryn E Keenan³, and Rebecca A Rakow-Penner²

¹Radiology, University of California San Diego, La Jolla, CA, United States, ²University of California San Diego, La Jolla, CA, United States, ³National Institute of Standards and Technology, Boulder, CO, United States

Diffusion-weighted imaging (DWI) has shown potential to diagnose and monitor breast cancer, but is limited in part due to geometric distortion artifacts that affect echo-planar imaging. Generating distortion-free images is a key step towards its clinical implementation. Here, we investigated the effectiveness of artifact-reduction data collection strategies (i.e. parallel imaging DWI and reduced field-of-view DWI) in combination with reverse polarity gradient post-processing in correcting for geometric distortion artifacts.

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