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Abstract #0760

Respiration artifact-free 3D DESS T2 mapping of the human brain

Emile Clements Kadalie1, Aurélien J Trotier1, Nadège Corbin1, Sylvain Miraux1, and Emeline J Ribot1
1Centre de Résonance Magnétique des Systèmes Biologiques, UMR5536, CNRS, Bordeaux, France


The Dual Echo Steady State (DESS) sequence has the potential to be used for 3D human brain imaging and 3D T2 mapping. It is however known to be sensitive to respiration. The DESS sequence was therefore modified to include a self-gating approach in order to investigate the influence of breathing on brain images and then extract artifact-free images. To apply this method for high resolution T2 mapping at 3T, an acceleration method compatible with Compressed Sensing was implemented to maintain a clinically acceptable acquisition time.

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