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Abstract #1139

Soft-gating and Motion Resolved Reconstructions for Free-Breathing Pulmonary Imaging

Wenwen Jiang1, Frank Ong2, Kevin M Johnson3, Scott K Nagle4, Thomas Hope5, Michael Lustig2, and Peder E.Z Larson5

1Bioengineering, UC Berkeley/UCSF, Berkeley, CA, United States, 2Electrical Engineering and Computer Science, UC Berkeley, Berkeley, CA, United States, 3Medical Physics, University of Wisconsin, Madison, Madison, WI, United States, 4Radiology, University of Wisconsin, Madison, Madison, WI, United States, 5Radiology and Biomedical Imaging, UCSF, San francisco, CA, United States

Structural pulmonary imaging with MRI has many potential applications including lung nodule detection and interstitial lung disease assessments, but is limited by the challenges of short T2*, low proton density, and respiratory and cardiac motion. We propose a combination of an optimized 3D UTE acquisition with advanced reconstruction methods, including motion correction, parallel imaging, and compressed sensing, aiming to make MRI become a clinical option for pulmonary imaging.

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