Applied Magnetic Resonance, volume 50, issue 10, pages 1149-1161
Whole Body Sodium MRI at 0.5 Tesla Using Surface Coil and Long Echo Time Sequence
Anisimov N V
1
,
Sadykhov E. G.
2
,
Pavlova O.S.
1, 3
,
Fomina D V
3
,
Tarasova A A
3
,
Pirogov Yu A
3
Publication type: Journal Article
Publication date: 2019-06-29
Journal:
Applied Magnetic Resonance
Quartile SCImago
Q4
Quartile WOS
Q4
Impact factor: 1
ISSN: 09379347, 16137507
Atomic and Molecular Physics, and Optics
Abstract
Experiments on sodium (23Na) magnetic resonance imaging (MRI) of human organs, including the construction of whole body (WB) MRI, on a clinical 0.5-T scanner are described. The specificity of the research is their conduct in the presence of radio frequency (RF) interference, characterized by the frequency drift of the parasitic RF signal, which complicates its filtering. To solve this problem, the receiver bandwidth (BW) was set as narrow as possible, which, in turn, determined the low sampling rate and pulse sequence with relatively long echo time (TE)—12 ms, which is comparable to the transverse relaxation time of sodium nuclei. 23Na MRI on a 0.5-T clinical scanner was achieved without significant modifications in the hardware—only 20-cm square-shaped frame coil was made as a transceiver probe head. Scanning was performed using gradient echo method with in-plane resolution of (6.6 × 6.6) mm2 without slice selection. After processing the data in K-space, including exponential apodization, images were obtained in which human organs are represented with signal-to-noise ratio (SNR) up to several tens. The scans from nine individual segments of the human body in prone and supine positions were acquired to produce 23Na WB MRI. The time for one body segment scan was 30 min. The results of the work can be used to assess the potential capabilities of scanners of this class and to compare them with the data obtained using more advanced tools to assess their effectiveness.
Citations by journals
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Applied Magnetic Resonance
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4 publications, 57.14%
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Electronics (Switzerland)
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1 publication, 14.29%
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Citations by publishers
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Springer Nature
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Springer Nature
4 publications, 57.14%
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Multidisciplinary Digital Publishing Institute (MDPI)
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Multidisciplinary Digital Publishing Institute (MDPI)
2 publications, 28.57%
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- We do not take into account publications that without a DOI.
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Anisimov N. V. et al. Whole Body Sodium MRI at 0.5 Tesla Using Surface Coil and Long Echo Time Sequence // Applied Magnetic Resonance. 2019. Vol. 50. No. 10. pp. 1149-1161.
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Anisimov N. V., Sadykhov E. G., Pavlova O., Fomina D. V., Tarasova A. A., Pirogov Yu. A. Whole Body Sodium MRI at 0.5 Tesla Using Surface Coil and Long Echo Time Sequence // Applied Magnetic Resonance. 2019. Vol. 50. No. 10. pp. 1149-1161.
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TY - JOUR
DO - 10.1007/s00723-019-01142-8
UR - https://doi.org/10.1007%2Fs00723-019-01142-8
TI - Whole Body Sodium MRI at 0.5 Tesla Using Surface Coil and Long Echo Time Sequence
T2 - Applied Magnetic Resonance
AU - Sadykhov, E. G.
AU - Pavlova, O.S.
AU - Fomina, D V
AU - Tarasova, A A
AU - Pirogov, Yu A
AU - Anisimov, N V
PY - 2019
DA - 2019/06/29 00:00:00
PB - Springer Nature
SP - 1149-1161
IS - 10
VL - 50
SN - 0937-9347
SN - 1613-7507
ER -
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@article{2019_Anisimov,
author = {E. G. Sadykhov and O.S. Pavlova and D V Fomina and A A Tarasova and Yu A Pirogov and N V Anisimov},
title = {Whole Body Sodium MRI at 0.5 Tesla Using Surface Coil and Long Echo Time Sequence},
journal = {Applied Magnetic Resonance},
year = {2019},
volume = {50},
publisher = {Springer Nature},
month = {jun},
url = {https://doi.org/10.1007%2Fs00723-019-01142-8},
number = {10},
pages = {1149--1161},
doi = {10.1007/s00723-019-01142-8}
}
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Anisimov, N. V., et al. “Whole Body Sodium MRI at 0.5 Tesla Using Surface Coil and Long Echo Time Sequence.” Applied Magnetic Resonance, vol. 50, no. 10, Jun. 2019, pp. 1149-1161. https://doi.org/10.1007%2Fs00723-019-01142-8.
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