• Magn Reson Med · Feb 2006

    Fat attenuation using a dual steady-state balanced-SSFP sequence with periodically variable flip angles.

    • J Absil, V Denolin, and T Metens.
    • Unité d'IRM-Radiologie, Hôpital Erasme, Université Libre de Bruxelles, Brussels, Belgium. Julie.Absil@ulb.ac.be
    • Magn Reson Med. 2006 Feb 1; 55 (2): 343-51.

    AbstractA refocused-SSFP sequence based on balanced-FFE (TrueFisp, Fiesta) that attenuates fat signal is presented. The sequence uses periodically variable flip angles and produces a dual steady state of the signal, which is obtained after a dual transient phase if an appropriate preparation is used. The off-resonance profile of the steady-state signal exhibits large stopbands that can be employed for fat suppression. Numerical simulations were performed to investigate the signal behavior and the off-resonance properties of the sequence. Experimental results obtained with a Philips Gyroscan Intera 1.5T MR scanner demonstrated fat attenuation in phantoms and abdominal images in volunteers.Copyright 2006 Wiley-Liss, Inc.

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