Frequency tensor imaging (FTI) at a single orientation by vector projection
Luke Xie1, Russell Dibb2, Chunlei Liu2, and Vivian S. Lee1
1Utah Center for Advanced Imaging Research, Radiology, University of Utah, Salt Lake City, UT, United States, 2Brain Imaging Analysis Center, Radiology, Duke University Medical Center, Durham, NC, United States
STI is sensitive to tissue
microstructure and can detect subtle changes in disease states. However, STI
remains a challenging protocol due to the physical reorientation with respect
to the magnetic field. Current studies of the heart and kidney are limited to ex-vivo imaging. In this study, we
present frequency tensor imaging (FTI) at a single image acquisition without
rotating the object. FTI takes advantage of tissue structure already pointing
in multiple directions with respect to the magnetic field in a single
orientation dataset. This technique offers the potential for susceptibility-based
tensor imaging of the abdomen in the clinic.
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