• Extending real-time MRI of the...

*Result*: Extending real-time MRI of the oral cavity using simultaneous multislice and compressed sensing.

Title:
Extending real-time MRI of the oral cavity using simultaneous multislice and compressed sensing.
Authors:
Watson I; Biomedical Imaging Science Department, Leeds Institute of Cardiovascular and Metabolic Medicine, University of Leeds, Leeds, United Kingdom.; School of Physics, Engineering & Technology, University of York, York, United Kingdom., Angus M; School of Physics, Engineering & Technology, University of York, York, United Kingdom., Zamboni E; School of Psychology, University of Nottingham, Nottingham, United Kingdom., Mitchell D; York Cross-disciplinary Centre for Systems Analysis, University of York, York, United Kingdom., Sebald A; York Cross-disciplinary Centre for Systems Analysis, University of York, York, United Kingdom.; Department of Chemistry, University of York, York, United Kingdom., Kennerley AJ; Department of Sports & Exercise Science, Manchester Metropolitan University, Manchester, United Kingdom.
Source:
Magnetic resonance in medicine [Magn Reson Med] 2026 Feb; Vol. 95 (2), pp. 881-896. Date of Electronic Publication: 2025 Sep 15.
Publication Type:
Journal Article
Language:
English
Journal Info:
Publisher: Wiley Country of Publication: United States NLM ID: 8505245 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1522-2594 (Electronic) Linking ISSN: 07403194 NLM ISO Abbreviation: Magn Reson Med Subsets: MEDLINE
Imprint Name(s):
Publication: 1999- : New York, NY : Wiley
Original Publication: San Diego : Academic Press
MeSH Terms:
Magnetic Resonance Imaging*/methods , Mouth*/diagnostic imaging , Mouth*/anatomy & histology , Mouth*/physiology , Data Compression*/methods , Image Processing, Computer-Assisted*/methods, Tongue/physiology ; Tongue/diagnostic imaging ; Deglutition/physiology ; Speech/physiology ; Humans ; Phantoms, Imaging ; Algorithms ; Computer Systems
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Grant Information:
British Association of Oral and Maxillofacial Surgeons Endowments Committee
Contributed Indexing:
Keywords: compressed sensing; dynamic imaging; radial sampling; real‐time MRI; simultaneous multislice
Entry Date(s):
Date Created: 20250915 Date Completed: 20251206 Latest Revision: 20251208
Update Code:
20260130
PubMed Central ID:
PMC12681314
DOI:
10.1002/mrm.70085
PMID:
40953227
Database:
MEDLINE

*Further Information*

*Purpose: To demonstrate a real-time MRI (rtMRI) sequence that can image multiple slices simultaneously and apply them to image the dynamics of the oral cavity. Specifically, we demonstrate the imaging of tongue movement, speech, and swallowing.
Methods: We developed a radial rtMRI sequence with multiband excitation. Two sampling schemes were explored: a golden-angle trajectory and a golden-angle trajectory adapted for simultaneous multislice acceleration. Additionally, we developed a compressed sensing reconstruction pipeline. Phantom and in vivo rtMRI data were acquired on a 3 T system using a standard head/neck coil.
Results: We show that the proposed technique can acquire rtMRI videos at a range of temporal resolutions (up to 25 ms). Example applications of tongue movement, speech, and swallowing are shown. Additionally, we show that the sequence is robust to changes in slice distance and coil compression level.
Conclusion: Combining rtMRI with multiband excitation and compressed sensing reconstruction enables imaging of the oral cavity at high (up to 25 ms) temporal resolution.
(© 2025 The Author(s). Magnetic Resonance in Medicine published by Wiley Periodicals LLC on behalf of International Society for Magnetic Resonance in Medicine.)*