Abstract #5201

Quantitative Cardiac B0, Fat Fraction, and R2* Mapping using Pre-Channel-Combination Phase Processing

Zahra Hosseini^1,2, Junmin Liu², and Maria Drangova^1,2,3

¹Biomedical Engineering Graduate Program, University of Western Ontario, London, ON, Canada, ²Imaging Research Laboratories, Robarts Research Institute, London, ON, Canada, ³Department of Medical Biophysics, University of Western Ontario, London, ON, Canada

Multi-echo gradient echo MR imaging enables the generation of quantitative B₀, fat fraction and R₂* maps, from which tissue can be characterized. When applied to cardiac imaging these methods face the challenge presented due to the large susceptibility differences between lung and heart. We present a novel post-processing pipeline for multi-echo GRE phase images that processes the phase data prior to channel combination to enable generation of robust quantitative cardiac maps enabling accurate tissue visualization and characterization.

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