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Ulloa et al., 2023 - Google Patents

Extra-axonal contribution to double diffusion encoding-based pore size estimates in the corticospinal tract

Ulloa et al., 2023

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Document ID
8657565734641816360
Author
Ulloa P
Methot V
Wottschel V
Koch M
Publication year
Publication venue
Magnetic Resonance Materials in Physics, Biology and Medicine

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Snippet

Objective To study the origin of compartment size overestimation in double diffusion encoding MRI (DDE) in vivo experiments in the human corticospinal tract. Here, the extracellular space is hypothesized to be the origin of the DDE signal. By exploiting the DDE …
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    • G01R33/56341—Diffusion imaging
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    • G01R33/561—Image 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
    • G01R33/5615—Echo 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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    • A61B5/055—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radiowaves involving electronic or nuclear magnetic resonance, e.g. magnetic resonance imaging

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