Fast spectroscopic imaging system

Details Fast spectroscopic imaging system Fast spectroscopic imaging system

1998-01-06

2000-03-14

Oda, Christine K.

Electricity: measuring and testing

Particle precession resonance

Using a nuclear resonance spectrometer system

324318, 600410, G01V 300

Patent

active

060377720

ABSTRACT:
An apparatus and method are provided for generating a magnetic resonance image of a biotic structure. The method includes the steps of generating a plurality of datasets by modulating a free induction decay of at least some MR detectable nuclei in the biotic structure with a sinusoidally oscillating magnetic field gradient and using the spectroscopic and spatial information present in the acquired signal to approximate a set of instantaneously acquired gradient echoes. The method further includes the step of synthesizing images based upon the approximated acquired gradient echoes.

REFERENCES:
patent: 5479924 (1996-01-01), Navon et al.
Doyle, M., et al, Chemical-Shift Imaging: A Hybrid Approach, 5 Magnetic Resonance in Medicine 255-261 (1987).
Guilfoyle, D.N., et al., Chemical-Shift Imaging, 2 Magnetic Resonance in Medicine 479-489 (1985).
Mansfield, P., Spatial Mapping of the Chemical Shift in NMR, 1 Magnetic Resonance in Medicine 370-386 (1984).
Williams, S., et al. True Water and Fat MR Imaging with Use of Multiple -Echo Acquisition, 173:1 Medical Physics 249-253 (Oct., 1989).

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