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S 5 FP: Spectrally selective suppression with steady state free precession †
Author(s) -
Derbyshire J. A.,
Herzka D. A.,
McVeigh E. R.
Publication year - 2005
Publication title -
magnetic resonance in medicine
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.696
H-Index - 225
eISSN - 1522-2594
pISSN - 0740-3194
DOI - 10.1002/mrm.20633
Subject(s) - steady state free precession imaging , precession , attenuation , nuclear magnetic resonance , steady state (chemistry) , pulse (music) , physics , phase (matter) , computational physics , atomic physics , optics , chemistry , magnetic resonance imaging , condensed matter physics , detector , medicine , quantum mechanics , radiology
A method is presented that employs the inherent spectral selectivity of the Steady‐State Free Precession (SSFP) pulse sequence to provide a spectral band of suppression. At TE = TR/2, SSFP partitions the magnetization into two phase‐opposed spectral components. Z‐storing one of these components simultaneously further excites the other, which is then suppressed by gradient crushing and RF spoiling. The Spectrally Selective Suppression with SSFP (S 5 FP) method is shown to provide significant attenuation of fat signals, while the water signals are essentially unaffected and provide the normal SSFP contrast. Fat suppression is achieved with relatively little temporal overhead (less than 10% reduction in temporal resolution). S 5 FP was validated using simulations, phantoms, and human studies. Magn Reson Med, 2005. Published 2005 Wiley‐Liss, Inc.

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