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Abstract #1750

Evaluating brain MRE optimal conditions at low and high excitation frequencies

Fatiha Andoh1, Marion Tardieu2, Claire Barakat Pellot3, and Xavier Maître1
1Univ. Paris Saclay, IR4M Laboratory, Orsay, France, 2Institut du Cancer de Montpellier, ICM, Montpellier, France, 3INSERM, IMIV Laboratory, Orsay, France

Mechanical parameters may be underestimated by MR-Elastography if data quality is not properly monitored to discarded inaccurate and unprecised biased data. Optimal condition defined by proper spatial data sampling upon λ/a≈[6;9] can alleviate the quality requirements by lowering Qthreshold, which is defined on each dataset at the drop of correlation between the quality factor and the targeted mechanical parameters.

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