Resolution-Related Diffusion Damping in Fast Spin Echo Sequences

Bieri, O; Ganter, C; Scheffler, K

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Resolution-Related Diffusion Damping in Fast Spin Echo Sequences

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Scheffler, K
Department High-Field Magnetic Resonance, Max Planck Institute for Biological Cybernetics, Max Planck Society;
Max Planck Institute for Biological Cybernetics, Max Planck Society;

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Citation

Bieri, O., Ganter, C., & Scheffler, K. (2012). Resolution-Related Diffusion Damping in Fast Spin Echo Sequences. In 20th Annual Meeting and Exhibition of the International Society for Magnetic Resonance in Medicine (ISMRM 2012).

Cite as: https://hdl.handle.net/11858/00-001M-0000-0013-B7B6-5

Abstract

We have recently shown that the tissue-fluid contrast of nonbalanced steady state free precession (SSFP) shows an unexpected strong sensitivity on resolution: an increase in the spatial resolution goes with an increase in spoiling moments leading to a pronounced diffusion damping of fluids. Clearly, this effect is not confined to SSFP, but can affect the contrast of other multi-pulse sequences that show resolution dependent spoiling moments, such as RARE (TSE, FSE). In this work, we will show that RARE sequences show a similar fluid-tissue contrast modulation as nonbalanced SSFP.