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Incidental Magnetization Transfer Effects in Multislice Brain MRI at 3.0T

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Author(s)
Yongmin ChangSung Jin BaeYoung Ju LeeMoon Jung HwangSang Heun LeeJongmin LeeSang Kwon LeeSeongku Woo
Keimyung Author(s)
Lee, Sang KwonWoo, Seong Ku
Department
Dept. of Radiology (영상의학)
Journal Title
Journal of Magnetic Resonance Imaging
Issued Date
2007
Volume
25
Issue
4
Keyword
brainmagnetization transferMRIcontrast mechanismmulti-slice interference
Abstract
Purpose: To evaluate the effect of incidental magnetization
transfer (iMT) in multislice brain imaging at 3.0T.
Materials and Methods: The contribution of iMT to multislice
brain MRI was evaluated at 3.0T. In 10 normal subjects
we obtained multislice fast spin-echo (FSE) MR images
using a 16-echo pulse train without an off-resonance
MT pulse at 3.0T and 1.5T. We quantified the extent of iMT
by calculating the iMT ratio (iMTR).
Results: We found that the iMT contrast (iMTC) has a
greater effect at 3.0T. As the number of slices increased in
multislice FSE imaging, the difference between two field
strengths became larger. Compared to WM structures,
however, the difference in iMT effect between 1.5T and 3.0T
was smaller in the case of GM structures.
Conclusion: The iMTC has a greater effect at 3.0T. The
strength of the iMT is different for different tissue types and
also varies according to the number of slices used.
Keimyung Author(s)(Kor)
이상권
우성구
Publisher
School of Medicine
Citation
Yongmin Chang et al. (2007). Incidental Magnetization Transfer Effects in Multislice Brain MRI at 3.0T. Journal of Magnetic Resonance Imaging, 25(4), 862–865. doi: 10.1002/jmri.20867
Type
Article
ISSN
1053-1807
Source
https://onlinelibrary.wiley.com/doi/abs/10.1002/jmri.20867
DOI
10.1002/jmri.20867
URI
https://kumel.medlib.dsmc.or.kr/handle/2015.oak/34156
Appears in Collections:
1. School of Medicine (의과대학) > Dept. of Radiology (영상의학)
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