Quadratic species separation using balanced SSFP MRI

Details Quadratic species separation using balanced SSFP MRI Quadratic species separation using balanced SSFP MRI

2006-12-19

2006-12-19

Arana, Louis M (Department: 2859)

Electricity: measuring and testing

Particle precession resonance

Using a nuclear resonance spectrometer system

C324S309000

Reexamination Certificate

active

07151370

ABSTRACT:
MRI signals from two species such as water and fat are separated by using two SSFP acquisitions (S1, S2) with the two species signals having two different phase differences (e.g., 180°, 90°) and binomial quadratic expansion in which the species are determined based on magnitude and sign of S1and the magnitude of S2.

REFERENCES:
patent: 6307368 (2001-10-01), Vasanawala et al.
patent: 6856134 (2005-02-01), Reeder et al.
patent: 6922054 (2005-07-01), Hargreaves et al.
Brian A. Hargreaves, “Quadratic Fat-Water Separation in Balanced-SSFP,” 1005 ISMRM, Miami, Apr. 1, 2005.
Brian A. Hargreaves, “Quadratic Fat/Water Separation in Balanced SSFP,” Unpublished as of Jun 9, 2006.

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