Cellular EXchange Imaging (CEXI): Evaluation of a diffusion model including water exchange in cells using numerical phantoms of permeable spheres

no code implementations • 28 Mar 2023 • Rémy Gardier, Juan Luis Villarreal Haro, Erick J. Canales-Rodriguez, Ileana O. Jelescu, Gabriel Girard, Jonathan Rafael-Patino, Jean-Philippe Thiran

Conclusion: This study highlights the importance of modeling the exchange time to accurately quantify microstructure properties in permeable cellular substrates.

Microstructure estimation from diffusion-MRI: Compartmentalized models in permeable cellular tissue

no code implementations • 6 Sep 2022 • Rémy Gardier, Juan Luis Villarreal Haro, Erick J Canales-Rodrıguez, Ileana O. Jelescu, Gabriel Girard, Jonathan Rafael-Patino, Jean-Philippe Thiran

Finally, the simulations performed in this work showed that the exchange between the intracellular and the extracellular space cannot be neglected in permeable tissue with a conventional PGSE sequence, to obtain accurate estimates.