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Investigating apparent differences between standard DKI and axisymmetric DKI and its consequences for biophysical parameter estimates.

Jan Malte OeschgerKarsten TabelowSiawoosh Mohammadi
Published in: Magnetic resonance in medicine (2024)
For the diffusivities and mean of the kurtosis tensor, axisymmetric DKI with a standard protocol delivers similar results as standard DKI. Fiber complexity is one main driver of the baseline differences. Using the "199" protocol worsens precision in noisy data but adaptive denoising mitigates these effects.
Keyphrases
  • randomized controlled trial
  • diffusion weighted imaging
  • magnetic resonance imaging
  • magnetic resonance