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Abstract #0812

Imaging in the presence of Motion with Sliding Slice Distortions

Kevin Michael Johnson 1 , James H Holmes 2 , and Scott B Reeder 1,3

1 Medical Physics, University of Wisconsin-Madison, Madison, WI, United States, 2 Global MR Applications and Workflow, GE Healthcare, Madison, WI, United States, 3 Radiology, University of Wisconsin-Madison, Madison, WI, United States

Respiratory motion remains a major challenge to the use of MRI in the body and techniques that restrict intra-scan motion utilizing breath-holding or gating are prone to error. In this work, we investigate use of aT1 weighted sliding slice approach that casts intra-scan motion as geometric distortion rather than aliasing. In phantoms and initial volunteer images, we demonstrate improved image quality compared to traditional 3D golden angle radial sampling and a profound robustness to motion.

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