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Canine brain imaging with a new low-field portable (0.05 T) MRI scanner: a pilot <i>in vivo</i> comparison to conventional 1.5 T.

Overview

Authors: Elisabeth Maria Burgers1, Samantha Miles1,2, Ruben van den Broek3, Chloé Najac3, Beatrice Lena3, Thomas O’Reilly3, Andrew Webb3, Stefanie Veraa1
  1. Department of Clinical Sciences, Division of Diagnostic Imaging, Utrecht University, Utrecht, the Netherlands
  2. IDEXX Telemedicine Consultants, Hoofddorp, the Netherlands
  3. Department of Radiology, C.J. Gorter MRI Center, Leiden University Medical Center, Leiden, the Netherlands
Institutions: Utrecht University (Netherlands); Leiden University Medical Center (Netherlands)
Journal: The veterinary quarterly, volume 46, issue 1, article 2696026
Dates: published online 14 July 2026; in print December 2026
Type: Research article · Language: English
License: CC BY
Identifiers: DOI 10.1080/01652176.2026.2696026 · PMID 42444639 · PMCID PMC13371494 · OpenAlex W7168246943
Open access: gold, a free copy (OpenAlex)
Status: data only
Categories: structural MRI / diffusion (modality), human (organism), other (organism), other condition (population), clinical / translational (subfield)
Methods: Connectivity, Statistics
Keywords: Canine neuroimaging, low field magnetic resonance imaging, image contrast, visual grading characteristic analysis, hydrocephalus, sustainable imaging, permanent magnets, Halbach array, one health
MeSH: Brain*, Dog Diseases*, Magnetic Resonance Imaging*, Animals, Dogs, Pilot Projects (* major topic)
Topic: Cerebrospinal fluid and hydrocephalus (Cellular and Molecular Neuroscience, Neuroscience), according to OpenAlex
Funding: European Research Council (PASMAR 101021218); K.F. Hein Fonds; Stichting Bouwstenen voor Dierenwelzijn; Utrecht Universiteitsfonds; Abri voor Dieren; NWO Open Technologie (21762); Triodos Foundation
Citations: not cited yet (Europe PMC); 55 references in the paper

Abstract

Prohibitive costs associated with high-field MRI systems have resulted in reduced access in resource-limited areas with consequential healthcare inequities. This has renewed interest in purposefully designed low-field (LF) systems that, despite inherently lower signal-to-noise ratios, have advantages in terms of cost, portability, and accessibility. This pilot study successfully translated a previously developed LF (0.05 T) MRI canine cadaver brain protocol for in vivo application and compared the acquired images with paired 1.5 T images from 21 different canine patients. The visibility of 15 anatomic features was ordinarily scored (scale 1–3) on transverse T1-weighted post-contrast (21/21 patients) and T2-weighted (17/21 patients) sequences. Lateral ventricles were easily visualized (89.3%–100% scored 3/3) across all sequence‒system combinations, with T2-weighted sequences also providing good identification of the mesencephalic aqueduct (56.3%–100%), fourth ventricle (77.1%–100%), and thalamus (68.8%–100%). Absolute visual grading characteristics (VGC) analysis confirmed comparable performance of the LF system to the 1.5 T MRI for these features, a particularly relevant finding given the system's originally intended application for pediatric hydrocephalus neuroimaging in resource-limited areas. This study represents the first in vivo usage and evaluation of a 0.05 T MRI in a clinical veterinary context.

Reproduced under the paper's license (CC BY), from the paper cited above.

Code

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Data

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Versions

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Version 1, 27 September 2026: the first record

Recorded: type, language, journal, volume, issue, pages, dates, 8 authors, 9 keywords, 6 MeSH terms, 7 funders, 50 references.

Cite

This paper

Burgers, E. M., Miles, S., van den Broek, R., Najac, C., Lena, B., O’Reilly, T., Webb, A., & Veraa, S. (2026). Canine brain imaging with a new low-field portable (0.05 T) MRI scanner: a pilot <i>in vivo</i> comparison to conventional 1.5 T. The veterinary quarterly, 46(1), 2696026. https://doi.org/10.1080/01652176.2026.2696026

BibTeX

@article{burgers2026canine,
author = {Burgers, Elisabeth Maria and Miles, Samantha and van den Broek, Ruben and Najac, Chloé and Lena, Beatrice and O’Reilly, Thomas and Webb, Andrew and Veraa, Stefanie},
title = {{Canine brain imaging with a new low-field portable (0.05 T) MRI scanner: a pilot \<i\>in vivo\</i\> comparison to conventional 1.5 T}},
journal = {The veterinary quarterly},
year = {2026},
month = jul,
volume = {46},
number = {1},
pages = {2696026},
publisher = {Taylor \& Francis},
issn = {0165-2176},
doi = {10.1080/01652176.2026.2696026},
url = {https://doi.org/10.1080/01652176.2026.2696026},
pmid = {42444639},
pmcid = {PMC13371494}
}

RIS

TY - JOUR
AU - Burgers, Elisabeth Maria
AU - Miles, Samantha
AU - van den Broek, Ruben
AU - Najac, Chloé
AU - Lena, Beatrice
AU - O’Reilly, Thomas
AU - Webb, Andrew
AU - Veraa, Stefanie
TI - Canine brain imaging with a new low-field portable (0.05 T) MRI scanner: a pilot <i>in vivo</i> comparison to conventional 1.5 T
T2 - The veterinary quarterly
J2 - Vet Q
PY - 2026
DA - 2026/07/14
VL - 46
IS - 1
SP - 2696026
SN - 0165-2176
PB - Taylor & Francis
DO - 10.1080/01652176.2026.2696026
UR - https://doi.org/10.1080/01652176.2026.2696026
LA - en
ER -

CSL-JSON

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