Clinical Temporal Bone Imaging at 0.55T: Comparison of Anatomic Evaluation to 1.5/3T MRI and High-Resolution CT

Motivation: Identify whether 0.55T MRI may be superior or a clinically acceptable alternative to 1.5T/3T for temporal bone evaluation Goal(s): To compare image quality, visibility of temporal bone anatomy, and cochlear measurements at 0.55T vs. 1.5T/3T, using high-resolution CT (HRCT) as the gold standard. Approach: Retrospective assessment of 25 non-pathological ears imaged with temporal bone MRI at 0.55T and 1.5T/3T by 3 blinded radiologists. Available HRCT (n=13) were also reviewed. Results: For most readers, visibility of normal temporal bone anatomy on 3D T2w SPACE at 0.55T was clinically acceptable. Quantitative evaluation of bony anatomy was similar at 0.55T vs. 1.5/3T compared to HRCT. Impact: Clinical evaluation of the temporal bone and inner ear structures can be comparably performed on a 3D T2w SPACE sequence at 0.55T when compared to 1.5/3T, which may represent a use-case for the Free.Max 0.55T (Siemens Healthineers) scanner.

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Publication Details

Journal
Proceedings on CD-ROM - International Society for Magnetic Resonance in Medicine. Scientific Meeting and Exhibition/Proceedings of the International Society for Magnetic Resonance in Medicine, Scientific Meeting and Exhibition
Published
2025-09-16
DOI
https://doi.org/10.58530/2025/1900
Primary Topic
Medical Imaging Techniques and Applications
Type
article
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article

Clinical Temporal Bone Imaging at 0.55T: Comparison of Anatomic Evaluation to 1.5/3T MRI and High-Resolution CT

Maria Masotti, Lauren J. Kelsey, Ashok Srinivasan, Jayapalli Rajiv Bapuraj et al.
Proceedings on CD-ROM - International Society for Magnetic Resonance in Medicine. Scientific Meeting and Exhibition/Proceedings of the International Society for Magnetic Resonance in Medicine, Scientific Meeting and Exhibition
Medical Imaging Techniques and Applications
article

Clinical Temporal Bone Imaging at 0.55T: Comparison of Anatomic Evaluation to 1.5/3T MRI and High-Resolution CT

Maria Masotti, Lauren J. Kelsey, Ashok Srinivasan, Jayapalli Rajiv Bapuraj, Nicole Seiberlich, Rahul Rajeev, Eric Liao, Vikas Gulani, Chamila D. Perera, Shruti Mishra, Mohannad Ibrahim
article en

Abstract

Motivation: Identify whether 0.55T MRI may be superior or a clinically acceptable alternative to 1.5T/3T for temporal bone evaluation Goal(s): To compare image quality, visibility of temporal bone anatomy, and cochlear measurements at 0.55T vs. 1.5T/3T, using high-resolution CT (HRCT) as the gold standard. Approach: Retrospective assessment of 25 non-pathological ears imaged with temporal bone MRI at 0.55T and 1.5T/3T by 3 blinded radiologists. Available HRCT (n=13) were also reviewed. Results: For most readers, visibility of normal temporal bone anatomy on 3D T2w SPACE at 0.55T was clinically acceptable. Quantitative evaluation of bony anatomy was similar at 0.55T vs. 1.5/3T compared to HRCT. Impact: Clinical evaluation of the temporal bone and inner ear structures can be comparably performed on a 3D T2w SPACE sequence at 0.55T when compared to 1.5/3T, which may represent a use-case for the Free.Max 0.55T (Siemens Healthineers) scanner.

Proceedings on CD-ROM - International Society for Magnetic Resonance in Medicine. Scientific Meeting and Exhibition/Proceedings of the International Society for Magnetic Resonance in Medicine, Scientific Meeting and Exhibition
Openalex Percentile: Top 65%
Medical Imaging Techniques and Applications
DOISourceOpenAlex
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Clinical Temporal Bone Imaging at 0.55T: Comparison of Anatomic Evaluation to 1.5/3T MRI and High-Resolution CT — Maria Masotti, Lauren J. Kelsey, et al. · Proceedings on CD-ROM - International Society for Magnetic Resonance in Medicine. Scientific Meeting and Exhibition/Proceedings of the International Society for Magnetic Resonance in Medicine, Scientific Meeting and Exhibition (2025) | TGRS Research Map | TGRS