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  Signal behavior in continuously ramped 2D TrueFISP for whole-body imaging

Fautz, H.-P., Leupold, J., Hennig, J., & Scheffler, K. (2002). Signal behavior in continuously ramped 2D TrueFISP for whole-body imaging. Magnetic Resonance in Medicine, 48(6), 1085-1090. doi:10.1002/mrm.10323.

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Fautz, H-P, Author
Leupold , J, Author
Hennig, J, Author
Scheffler, K1, Author           
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1External Organizations, ou_persistent22              

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 Abstract: A fast and robust imaging technique was developed based on a single-slice TrueFISP acquisition using a slice excitation frequency that is incremented, or spatially “ramped,” with each repetition. The short acquisition time of single slices allows artifact-free imaging during free breathing, which demonstrates the potential use of this technique for whole-body screening. Overlapping positioning of consecutively acquired slices was used to provide gapless volume coverage in free-breathing measurements. The image contrast of ramped TrueFISP was analyzed in detail using simulations and experiments. A high ramp speed results in an increased overall signal intensity and in a modification of the known T2/T1 contrast towards a proton density-weighted contrast. A further increase in imaging speed is achieved with z-interleaved phase-encoding trajectories based on weighted transitions between adjacent views.

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 Dates: 2002-12
 Publication Status: Published in print
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 Identifiers: DOI: 10.1002/mrm.10323
BibTex Citekey: FautzLHS2002
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Title: Magnetic Resonance in Medicine
Source Genre: Journal
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Publ. Info: New York : Wiley-Liss
Pages: - Volume / Issue: 48 (6) Sequence Number: - Start / End Page: 1085 - 1090 Identifier: ISSN: 0740-3194
CoNE: https://pure.mpg.de/cone/journals/resource/954925538149