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Kaldoudi et al., 1993 - Google Patents

Relaxation time measurements in NMR imaging. Part I: Longitudinal relaxation time

Kaldoudi et al., 1993

Document ID
6359180802229397346
Author
Kaldoudi E
Williams S
Publication year
Publication venue
Concepts in Magnetic Resonance

External Links

Snippet

Relaxation time measurements are important in magnetic resonance imaging. This paper discusses the need for creating calculated relaxation time images and it reviews current practices in the field. Imaging techniques based on inversion recovery, partial saturation …
Continue reading at onlinelibrary.wiley.com (other versions)

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    • G01R33/44Arrangements or instruments for measuring magnetic variables involving magnetic resonance using nuclear magnetic resonance [NMR]
    • G01R33/48NMR imaging systems
    • G01R33/54Signal processing systems, e.g. using pulse sequences, Generation or control of pulse sequences ; Operator Console
    • G01R33/56Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution
    • G01R33/5601Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution involving use of a contrast agent for contrast manipulation, e.g. a paramagnetic, super-paramagnetic, ferromagnetic or hyperpolarised contrast agent
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    • G01R33/56341Diffusion imaging
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    • G01R33/561Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution by reduction of the scanning time, i.e. fast acquiring systems, e.g. using echo-planar pulse sequences
    • G01R33/5615Echo train techniques involving acquiring plural, differently encoded, echo signals after one RF excitation, e.g. using gradient refocusing in echo planar imaging [EPI], RF refocusing in rapid acquisition with relaxation enhancement [RARE] or using both RF and gradient refocusing in gradient and spin echo imaging [GRASE]
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    • G01N24/08Investigating or analyzing materials by the use of nuclear magnetic resonance, electron paramagnetic resonance or other spin effects by using nuclear magnetic resonance

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