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Volume 14
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10.3390/diagnostics14101050
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Article

Assessment of Calcaneal Spongy Bone Magnetic Resonance Characteristics in Women: A Comparison between Measures Obtained at 0.3 T, 1.5 T, and 3.0 T

by
Silvia Capuani
1,2,*,
Alessandra Maiuro
1,3,
Emiliano Giampà
4,
Marco Montuori
1,
Viviana Varrucciu
5,
Gisela E. Hagberg
6,
Vincenzo Vinicola
4 and
Sergio Colonna
5
1
CNR-ISC c/o Physics Department, “Sapienza” University of Rome, P.zle Aldo Moro 5, 00185 Rome, Italy
2
Neuroimaging Laboratory, Santa Lucia Foundation, IRCCS Rome, Via Ardeatina 309, 00179 Rome, Italy
3
Physics Department, “Sapienza” University of Rome, P.zle Aldo Moro 5, 00185 Rome, Italy
4
Rehabilitation Hospital, Santa Lucia Foundation, IRCCS Rome, Via Ardeatina 309, 00179 Rome, Italy
5
Radiology Department, Santa Lucia Foundation, IRCCS Rome, Via Ardeatina 309, 00179 Rome, Italy
6
High Field Magnetic Resonance, Max-Planck-Institute for Biological Cybernetics, 72076 Tübingen, Germany
*
Author to whom correspondence should be addressed.
Diagnostics 2024, 14(10), 1050; https://doi.org/10.3390/diagnostics14101050
Submission received: 17 April 2024 / Revised: 15 May 2024 / Accepted: 17 May 2024 / Published: 18 May 2024
(This article belongs to the Special Issue Machine-Extractable Knowledge from the Shape of Anatomical Structures 2024)
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Abstract

Background: There is a growing interest in bone tissue MRI and an even greater interest in using low-cost MR scanners. However, the characteristics of bone MRI remain to be fully defined, especially at low field strength. This study aimed to characterize the signal-to-noise ratio (SNR), T2, and T2* in spongy bone at 0.3 T, 1.5 T, and 3.0 T. Furthermore, relaxation times were characterized as a function of bone-marrow lipid/water ratio content and trabecular bone density. Methods: Thirty-two women in total underwent an MR-imaging investigation of the calcaneus at 0.3 T, 1.5 T, and 3.0 T. MR-spectroscopy was performed at 3.0 T to assess the fat/water ratio. SNR, T2, and T2* were quantified in distinct calcaneal regions (ST, TC, and CC). ANOVA and Pearson correlation statistics were used. Results: SNR increase depends on the magnetic field strength, acquisition sequence, and calcaneal location. T2* was different at 3.0 T and 1.5 T in ST, TC, and CC. Relaxation times decrease as much as the magnetic field strength increases. The significant linear correlation between relaxation times and fat/water found in healthy young is lost in osteoporotic subjects. Conclusion: The results have implications for the possible use of relaxation vs. lipid/water marrow content for bone quality assessment and the development of quantitative MRI diagnostics at low field strength.
Keywords: MRI; low magnetic field; high magnetic field; spongy bone; bone marrow fat MRI; low magnetic field; high magnetic field; spongy bone; bone marrow fat

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MDPI and ACS Style

Capuani, S.; Maiuro, A.; Giampà, E.; Montuori, M.; Varrucciu, V.; Hagberg, G.E.; Vinicola, V.; Colonna, S. Assessment of Calcaneal Spongy Bone Magnetic Resonance Characteristics in Women: A Comparison between Measures Obtained at 0.3 T, 1.5 T, and 3.0 T. Diagnostics 2024, 14, 1050. https://doi.org/10.3390/diagnostics14101050

AMA Style

Capuani S, Maiuro A, Giampà E, Montuori M, Varrucciu V, Hagberg GE, Vinicola V, Colonna S. Assessment of Calcaneal Spongy Bone Magnetic Resonance Characteristics in Women: A Comparison between Measures Obtained at 0.3 T, 1.5 T, and 3.0 T. Diagnostics. 2024; 14(10):1050. https://doi.org/10.3390/diagnostics14101050

Chicago/Turabian Style

Capuani, Silvia, Alessandra Maiuro, Emiliano Giampà, Marco Montuori, Viviana Varrucciu, Gisela E. Hagberg, Vincenzo Vinicola, and Sergio Colonna. 2024. "Assessment of Calcaneal Spongy Bone Magnetic Resonance Characteristics in Women: A Comparison between Measures Obtained at 0.3 T, 1.5 T, and 3.0 T" Diagnostics 14, no. 10: 1050. https://doi.org/10.3390/diagnostics14101050

APA Style

Capuani, S., Maiuro, A., Giampà, E., Montuori, M., Varrucciu, V., Hagberg, G. E., Vinicola, V., & Colonna, S. (2024). Assessment of Calcaneal Spongy Bone Magnetic Resonance Characteristics in Women: A Comparison between Measures Obtained at 0.3 T, 1.5 T, and 3.0 T. Diagnostics, 14(10), 1050. https://doi.org/10.3390/diagnostics14101050

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