Snapshot whole-brain T1 mapping using 2D multi-slice variable flip angle spiral 
imaging with steady-state preparation

Heule, R; Pfeuffer, J; Bieri, O

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Snapshot whole-brain T1 mapping using 2D multi-slice variable flip angle spiral imaging with steady-state preparation

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https://cds.ismrm.org/protected/17MProceedings/PDFfiles/3840.html
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Heule, R., Pfeuffer, J., & Bieri, O. (2017). Snapshot whole-brain T1 mapping using 2D multi-slice variable flip angle spiral imaging with steady-state preparation. In 25th Annual Meeting and Exhibition of the International Society for Magnetic Resonance in Medicine (ISMRM 2017).

Cite as: https://hdl.handle.net/21.11116/0000-000B-0454-2

Abstract

Spiral imaging substantially shortens MR fingerprinting acquisitions to tolerable scan times. Also more traditional “state-of-the-art” parametric mapping techniques can potentially benefit from the speed-up ability of fast spiral trajectories as opposed to Cartesian sampling. Here, a variable flip angle T1 quantification approach based on an interleaved 2D spiral multi-slice spoiled gradient echo sequence is combined with a steady-state preparation scheme. The investigated method offers accurate whole-brain T1 determination at clinically relevant resolution in only half a minute (including the B1 mapping scan in about 40 s) with an acceleration factor of an order of magnitude compared to conventional Cartesian sampling.