Diffusion imaging with a multi-echo MISSTEC sequence

An imaging method is presented to measure the water‐diffusion coefficient. The sequence (MISSTEC) uses the simultaneous acquisition of a spin echo and several stimulated echoes with the same intensity except for diffusion weighting. The optimal number of stimulated echoes was calculated to minimize...

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Veröffentlicht in:Journal of magnetic resonance imaging 1997-03, Vol.7 (2), p.399-404
Hauptverfasser: Franconi, F., Lethimonnier, F., Sonier, C. B., Pourcelot, L., Akoka, S.
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Sprache:eng
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Zusammenfassung:An imaging method is presented to measure the water‐diffusion coefficient. The sequence (MISSTEC) uses the simultaneous acquisition of a spin echo and several stimulated echoes with the same intensity except for diffusion weighting. The optimal number of stimulated echoes was calculated to minimize the diffusion coefficient error (D). D values obtained in vitro and in vivo were in good agreement with those from the spin‐echo sequence (Intra Voxel Incoherent Motion [IVIM] method). The total acquisition time is half that of the classic IVIM method.
ISSN:1053-1807
1522-2586
DOI:10.1002/jmri.1880070225