Fast NMR image acquisition with spectrally selective inversion p

Details Fast NMR image acquisition with spectrally selective inversion p Fast NMR image acquisition with spectrally selective inversion p

1992-06-23

1994-09-13

Tokar, Michael J.

Electricity: measuring and testing

Particle precession resonance

Using a nuclear resonance spectrometer system

G01V 300

Patent

active

053472160

ABSTRACT:
An NMR system performs a 3DFT scan using a set of steady-state free precession (SSFP) pulse sequences. A contrast preparation pulse sequence precedes each series of SSFP pulse sequences employed to acquire one plane through the three-dimensional space, and it includes a spectrally selective RF inversion pulse tuned to fat or water. The sequence is repeated without any magnetization recovery delays until all the planes have been acquired.

REFERENCES:
patent: 5055790 (1991-10-01), Siuciak et al.
Selective Partial Inversion Recovery (SPIR) in Steady State for Selective Saturation Magnetic Resonance Imaging (MRI), C. H. Oh, et al., SMRM 1988 (no month).
Fast Inversion Recovery T.sub.1 Contrast and Chemical Shift Contrast in High-Resolution Snapshot Flash MR Images, Matthaei, et al., Magnetic Resonance Imaging, vol. 10 pp. 1-6, 1992 (no month).
Snapshot Flahs MRI, Applications to T1, T2, and Chemical-Shift Imaging, A. Haase, Magnetic Resonance In Medicine 13, 77-89 (1990) (no month).
Three-Dimensional Magnetization-Prepared Rapid Gradient-Echo Imaging (3D MP Rage), Mugler III, et al., Magnetic Resonance In Medicine 15, 152-157 (1990) (no month).
Mp Rage: A Three-Dimensional, T1-Weighted, Gradient-Echo Sequence-Initial Experience in the Brain.sup.1, Brant-Zawadzki, et al., Radiology 1992, vol. 182 No. 3, pp. 769-775 (no month).
T2-Weighted Three-Dimensional, MR-Rage MR Imaging.sup.1, Mugler III, et al., JMRI vol. 1 No. 6, Nov./Dec. 1991.

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