Abstract #0955
High-Resolution Single-Shot Spiral Imaging using Magnetic Field Monitoring and its Application to Diffusion Weighted MRI
Bertram J. Wilm 1,2 , Christoph Barmet 1,2 , Simon Gross 1 , Lars Kasper 1 , Johanna Vannesjo 1 , Maximilian Haeberlin 1 , Benjamin Dietrich 1 , David Brunner 1 , Thomas Schmid 1 , and Klaas P. Pruessmann 1
1
Institute for Biomedical Engineering,
University & ETH, Zurich, Zurich, Switzerland,
2
Skope
Magnetic Resonance Technologies, Zurich, Zurich,
Switzerland
Despite its great potential, single-shot spiral MRI is
so far not used in clinical practice due to its
sensitivity to any encoding deficiencies. We address
this problem by applying magnetic field monitoring and
demonstrate the benefit for high resolution diffusion
imaging. The accurate and consistent encoding
information retrieved from magnetic field monitoring
data resulted in a strongly improved image quality and
achieves image congruence among DW data without image
co-registration. The high SNR efficiency and the motion
robustness make this sequence ideal for its use for
diffusion imaging in clinical practice and research.
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