Feasibility of salt pads to improve fat suppression in low-field MRI systems
Fat-suppressed images are essential in clinical practice but are often affected by magnetic field inhomogeneity, resulting in poor image quality. We hypothesized that salt (99% sodium chloride [NaCl]) could be used as a magnetic field uniformity assist pad and verified whether salt pads improve magn...
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| Published in | Radiography (London, England. 1995) Vol. 28; no. 4; pp. 877 - 880 |
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| Main Authors | , , |
| Format | Journal Article |
| Language | English |
| Published |
Elsevier Ltd
01.11.2022
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| Online Access | Get full text |
| ISSN | 1078-8174 1532-2831 1532-2831 |
| DOI | 10.1016/j.radi.2022.06.007 |
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| Abstract | Fat-suppressed images are essential in clinical practice but are often affected by magnetic field inhomogeneity, resulting in poor image quality. We hypothesized that salt (99% sodium chloride [NaCl]) could be used as a magnetic field uniformity assist pad and verified whether salt pads improve magnetic field uniformity and the fat suppression effect in low-field magnetic resonance imaging (MRI) systems.
We conducted a small clinical study where coronal 2D fast spin-echo T2-weighted MRI with fat suppression was performed. The subjects were 10 healthy volunteers (six men and four women) with no surgical history, with a mean age of 20.5 years (range, 20–30 years). In the clinical study, we performed physical and visual evaluation by imaging a subject's knee with and without salt pads.
The results of the clinical study indicated that the use of salt pads improved the magnetic field uniformity, thus increasing the fat suppression effect.
Salt pads improved the homogeneity of the magnetic field and the fat suppression effect in low-field MRI systems.
The use of salt pads in low-field MRI systems could provide more accurate fat suppression images. |
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| AbstractList | Fat-suppressed images are essential in clinical practice but are often affected by magnetic field inhomogeneity, resulting in poor image quality. We hypothesized that salt (99% sodium chloride [NaCl]) could be used as a magnetic field uniformity assist pad and verified whether salt pads improve magnetic field uniformity and the fat suppression effect in low-field magnetic resonance imaging (MRI) systems.INTRODUCTIONFat-suppressed images are essential in clinical practice but are often affected by magnetic field inhomogeneity, resulting in poor image quality. We hypothesized that salt (99% sodium chloride [NaCl]) could be used as a magnetic field uniformity assist pad and verified whether salt pads improve magnetic field uniformity and the fat suppression effect in low-field magnetic resonance imaging (MRI) systems.We conducted a small clinical study where coronal 2D fast spin-echo T2-weighted MRI with fat suppression was performed. The subjects were 10 healthy volunteers (six men and four women) with no surgical history, with a mean age of 20.5 years (range, 20-30 years). In the clinical study, we performed physical and visual evaluation by imaging a subject's knee with and without salt pads.METHODSWe conducted a small clinical study where coronal 2D fast spin-echo T2-weighted MRI with fat suppression was performed. The subjects were 10 healthy volunteers (six men and four women) with no surgical history, with a mean age of 20.5 years (range, 20-30 years). In the clinical study, we performed physical and visual evaluation by imaging a subject's knee with and without salt pads.The results of the clinical study indicated that the use of salt pads improved the magnetic field uniformity, thus increasing the fat suppression effect.RESULTSThe results of the clinical study indicated that the use of salt pads improved the magnetic field uniformity, thus increasing the fat suppression effect.Salt pads improved the homogeneity of the magnetic field and the fat suppression effect in low-field MRI systems.CONCLUSIONSSalt pads improved the homogeneity of the magnetic field and the fat suppression effect in low-field MRI systems.The use of salt pads in low-field MRI systems could provide more accurate fat suppression images.IMPLICATIONS FOR PRACTICEThe use of salt pads in low-field MRI systems could provide more accurate fat suppression images. Fat-suppressed images are essential in clinical practice but are often affected by magnetic field inhomogeneity, resulting in poor image quality. We hypothesized that salt (99% sodium chloride [NaCl]) could be used as a magnetic field uniformity assist pad and verified whether salt pads improve magnetic field uniformity and the fat suppression effect in low-field magnetic resonance imaging (MRI) systems. We conducted a small clinical study where coronal 2D fast spin-echo T2-weighted MRI with fat suppression was performed. The subjects were 10 healthy volunteers (six men and four women) with no surgical history, with a mean age of 20.5 years (range, 20–30 years). In the clinical study, we performed physical and visual evaluation by imaging a subject's knee with and without salt pads. The results of the clinical study indicated that the use of salt pads improved the magnetic field uniformity, thus increasing the fat suppression effect. Salt pads improved the homogeneity of the magnetic field and the fat suppression effect in low-field MRI systems. The use of salt pads in low-field MRI systems could provide more accurate fat suppression images. |
| Author | Oura, R. Sakoda, K. Baba, S. |
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| Cites_doi | 10.1097/00004728-199201000-00008 10.2214/ajr.163.1.8010208 10.3174/ajnr.A5483 10.2307/2529310 10.1002/jmri.22189 10.1038/sj.ejcn.1601198 10.3109/10731199409138853 10.6009/jjrt.2019_JSRT_75.5.446 10.1148/radiology.179.1.2006277 10.1016/j.arr.2009.06.001 10.1148/radiographics.19.2.g99mr03373 10.3109/02841850903321633 10.1002/(SICI)1522-2586(200001)11:1<56::AID-JMRI8>3.0.CO;2-D 10.1016/j.endonu.2011.07.004 10.1002/jmri.20201 10.1016/0730-725X(93)90067-N 10.6009/jjrt.2017_JSRT_73.8.664 10.1136/ard.60.8.770 10.1097/00004728-198507010-00002 10.6009/jjrt.2013_JSRT_69.1.71 10.1002/jmri.23795 |
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| Title | Feasibility of salt pads to improve fat suppression in low-field MRI systems |
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