Method for reduction of MR image artifacts due to flowing nuclei

Details Method for reduction of MR image artifacts due to flowing nuclei Method for reduction of MR image artifacts due to flowing nuclei

1985-11-15

1988-03-15

Noland, Tom

Electricity: measuring and testing

Particle precession resonance

Using a nuclear resonance spectrometer system

324314, G01R 3320

Patent

active

047315830

ABSTRACT:
A technique has been developed which reduces blood-flow artifacts in multi-echo, multi-slice magnetic resonance (MR) imaging by rephasing spins which have arbitrary velocity as well as static spins. The technique requires tailoring of the gradient structure along at least one of the three axes so as to null out in the preferred embodiment the zeroth and first moments of the gradient distributions.

REFERENCES:
patent: 4431968 (1984-02-01), Edelstein et al.
patent: 4595879 (1986-06-01), Lent et al.
patent: 4616180 (1986-10-01), Compton
patent: 4629988 (1986-12-01), Bottomley
patent: 4663591 (1987-05-01), Pelc et al.

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