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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