Abstract #0287
Whole-Heart Myofiber Tractography Derived From Conjoint Relaxation and Susceptibility Tensor Imaging
Russell Dibb 1,2 and Chunlei Liu 3,4
1
Center for In Vivo Microscopy, Duke
University Medical Center, Durham, North Carolina,
United States,
2
Biomedical
Engineering, Duke University, Durham, NC, United States,
3
Brain
Imaging & Analysis Center, Duke University Medical
Center, Durham, NC, United States,
4
Radiology,
Duke University Medical Center, Durham, NC, United
States
Susceptibility tensor imaging may be used to probe the
microstructure and fiber architecture of the myocardium
in 3D. However, it currently is liable to image
artifacts arising from imperfect background phase
removal. Conjoint relaxation and susceptibility tensor
imaging (CRSTI) is a useful step towards the robust
estimation of tensor-valued tissue susceptibility and
facilitates the application of susceptibility-based
tractography to the whole heart for the first time. In
addition to the myocardium, CRSTI may potentially aid in
studying the source(s) of susceptibility contrast and
anisotropy in other magnetically anisotropic tissues.
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