Feasibility of fast whole brain T2 mapping using CAIPIRINHA accelerated SPACE sequences
Christoph Birkl1, Christian Kremser2, Alexander Rauscher3, and Elke Ruth Gizewski1
1Department of Neuroradiology, Medical University of Innsbruck, Innsbruck, Austria, 2Department of Radiology, Medical University of Innsbruck, Innsbruck, Austria, 3UBC MRI Research Centre, University of British Columbia, Vancouver, BC, Canada
We investigated whether multiple SPACE sequences accelerated using CAIPIRINHA and acquired with different echo times can be used to obtain high resolution isotropic whole brain T2 maps within a clinical feasible scan time. In a phantom study, we could show that the SPACE based T2 values are comparable with T2 values derived using multiple single spin echo sequences. By reducing the number of echoes we could acquire 1 mm isotropic in vivo whole brain T2 maps in under 3 minutes.
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