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Abstract #3265

STI Suite: a Software Package for Quantitative Susceptibility Imaging

Wei Li 1,2 , Bing Wu 1,3 , and Chunlei Liu 1,4

1 Brain Imaging and Analysis Center, Duke University, Durham, NC, United States, 2 Research Imaging Institute, University of Texas Health Science Center at San Antonio, San Antonio, TX, United States, 3 GE Healthcare, Beijing, China, 4 Radiology, Duke University, Durham, NC, United States

Quantitative susceptibility mapping (QSM) and susceptibility tensor imaging (STI) are two recently developed imaging methods, which provide quantitative information of tissue chemical composition, especially myelin and iron, exquisite anatomic details, and unique information of white matter microstructures of the brain. Both QSM and STI require sophisticated steps for 3D phase unwrapping, background phase removal, and dipole inversion to derive magnetic susceptibility or susceptibility tensors. Here, we provided our methods for phase preprocessing, QSM, and STI, and its related graphical user interfaces as a Matlab-based software package, named as STI Suite, for free academic use.

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