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

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).

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Genre: Meeting Abstract

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 Urheber:
Heule, R1, Autor                 
Pfeuffer, J, Autor           
Bieri, O, Autor
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1External Organizations, ou_persistent22              

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 Zusammenfassung: 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.

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 Datum: 2017-04
 Publikationsstatus: Erschienen
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Titel: 25th Annual Meeting and Exhibition of the International Society for Magnetic Resonance in Medicine (ISMRM 2017)
Veranstaltungsort: Honolulu, HI, USA
Start-/Enddatum: 2017-04-22 - 2017-04-27

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Titel: 25th Annual Meeting and Exhibition of the International Society for Magnetic Resonance in Medicine (ISMRM 2017)
Genre der Quelle: Konferenzband
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Seiten: - Band / Heft: - Artikelnummer: 3840 Start- / Endseite: - Identifikator: -