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Abstract #1845

Benefits of flow, eddy current and concomitant field compensation in diffusion weighted MRI

Lars Mueller1, Andreas Wetscherek1,2, Tristan Anselm Kuder1, and Frederik Bernd Laun1,3

1Medical Physics in Radiology, German Cancer Research Center, Heidelberg, Germany, 2Joint Department of Physics, The Institute of Cancer Research and The Royal Marsden NHS Foundation Trust, London, United Kingdom, 3Institute of Radiology, University Hospital Erlangen

Diffusion-weighted MRI suffers from artifacts due to flow, concomitant fields and eddy currents. Different combinations of compensation for these effects were examined in phantom measurements as well as in vivo in the brain and in the prostate. The signal variations in the phantom measurements indicate that it could be advantageous to simultaneously compensate of all three effects over only flow and concomitant field compensation. This could not be seen in the in vivo results, where flow and concomitant field compensation proved to be as good as the full compensation.

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