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Abstract #2228

Editing MRS lineshapes using the convolution theorem: potential for applications to statistical analysis of heterogeneous tissue

Norbert W Lutz1 and Monique Bernard1

1CRMBM, Aix Marseille University, Marseille, France

The statistical distribution of a number of measurement parameter values in heterogeneous tissues can be analyzed based on MR spectra, using a paradigm recently introduced by us. However, the MR resonances in question are affected by influences on line shape other than those exerted by the measurement parameter to be analyzed, e.g., by magnetic-field inhomogeneity. We demonstrate here that desired and spurious line shape contributions can be efficiently disentangled by judiciously employing the convolution theorem. This method should facilitate future applications of our method of tissue heterogeneity assessment.

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