Cape Town - 2026 ISMRM-ISMRT Annual Meeting and Exhibition
9 May 2026 – 14 May 2026 · Cape Town, South Africa
401-03-003 ISMRM Abstract

In vivo imaging with a low-cost MRI scanner and cloud data processing in low-resource settings.

Primary: Physics & Engineering - Low-Field MRI
Secondary: Physics & Engineering - System Imperfections
401-03-003 · End-to-End Software Innovation · Tuesday, 12 May, 1:40 PM–3:30 PM · Hall 1A
Keywords: Low-Field MRI Low-Resource Settings Low-Cost MRI Electromagnetic Interference System optimization
Accepted
Teresa Guallart Naval 1, Robert Asiimwe2, Patricia Tusiime2, Mary A Nassejje1,2, Leo Kinyera2, Lemi Robin2, Nayebare Maureen2, Luiz Guilherme C Santos1, Marina Fernández-García1, Lucas Swistunow1, José M Algarín1, John Stairs3, Michael Hansen3, Tom O'Reilly4, Ronald Amodoi2, Andrew Webb4, Joshua Harper5, Steven Schiff6, Johnes Obungoloch2, Joseba Alonso1
1Institute for Molecular Imaging and Instrumentation (i3M), Consejo Superior de Investigaciones Científicas & Universitat Politècnica de València, Valencia, Spain
2Mbarara University of Science and Technology (MUST), Dept. of Biomedical Engineering, Mbarara, Uganda
3Microsoft Research, Health Futures, Washington, United States of America
4Leiden University Medical Center (LUMC), Dept. of Radiology, Leiden, Netherlands
5Facultad de Ciencias Aplicadas, Universidad Comunera, Asuncion, Paraguay
6Dept. of Neurosurgery, and School of Public Health, Department of Epidemiology of Microbial Diseases, Yale University School of Medicine, New Haven, United States of America
Presenting Author: Teresa Guallart Naval

Synopsis

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References

1. Anazodo, U. C., Ng, J. J., Ehiogu, B., Obungoloch, J., Fatade, A., Mutsaerts, H. J. M. M., Secca, M. F., Diop, M., Opadele, A., Alexander, D. C., Dada, M. O., Ogbole, G., Nunes, R., Figueiredo, P., Figini, M., Aribisala, B., Awojoyogbe, B. O., Aduluwa, H., Sprenger, C., … Dako, F. (2023). A framework for advancing sustainable magnetic resonance imaging access in Africa. NMR in Biomedicine, 36(3). https://doi.org/10.1002/NBM.4846 [doi]
2. Marques, J. P., Simonis, F. F., & Webb, A. G. (2019). Low-field MRI: an MR physics perspective. Journal of Magnetic Resonance Imaging, 49, 1528–1542. https://doi.org/10.1002/jmri.26637 [doi]
3. Webb, A. G., & Obungoloch, J. (2023). Five steps to make MRI scanners more affordable to the world. Nature, 615(7952), 391–393. https://doi.org/10.1038/d41586-023-00759-x [doi]
4. Obungoloch, J., Muhumuza, I., Teeuwisse, W., Harper, J., Etoku, I., Asiimwe, R., Tusiime, P., Gombya, G., Mugume, C., Namutebi, M. H., Nassejje, M. A., Nayebare, M., Kavuma, J. M., Bukyana, B., Natukunda, F., Ninsiima, P., Muwanguzi, A., Omadi, P., van Gijzen, M., … O’Reilly, T. (2023). On-site construction of a point-of-care low-field MRI system in Africa. NMR in Biomedicine, 36(7), e4917. https://doi.org/10.1002/NBM.4917 [doi]
5. Guallart-Naval, T., & Alonso, J. (2025). Electromagnetic Noise Characterization and Suppression in Low-Field MRI Systems. arXiv. https://doi.org/10.48550/arXiv.2507.20413 [doi]
6. Negnevitsky, V., Vives-Gilabert, Y., Algarín, J. M., Craven-, L., Pellicer-guridi, R., Reilly, T. O., Stockmann, J. P., Webb, A., Alonso, J., & Menküc, B. (2023). MaRCoS, an open-source electronic control system for low-field MRI. Journal of Magnetic Resonance, 350, 107424. https://doi.org/10.1016/J.JMR.2023.107424 [doi]
7. Algarín, J. M., Guallart-Naval, T., Borreguero, J., Galve, F., & Alonso, J. (2024). MaRGE: A graphical environment for MaRCoS. Journal of Magnetic Resonance, 107662. https://doi.org/10.1016/J.JMR.2024.107662 [doi]
8. https://microsoft.github.io/tyger/
9. Borreguero, J., Galve, F., Algarín, J. M., & Alonso, J. (2024). Zero-echo-time sequences in highly inhomogeneous fields. Magnetic Resonance in Medicine, https://doi.org/10.1002/mrm.29951 [doi]
10. Maggioni, M., Katkovnik, V., Egiazarian, K., & Foi, A. (2013). Nonlocal transform-domain filter for volumetric data denoising and reconstruction. IEEE Transactions on Image Processing, 22(1), 119–133. https://doi.org/10.1109/TIP.2012.2210725 [doi]

Cite this abstract

http://echo.ismrm.org/p/ISMRM2026/401-03-003