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http://dx.doi.org/10.17946/JRST.2015.38.3.09

A Comparison Study of Signal Intensity of Gadolinium Contrast Media on Fast Spin echo and Ultra Short Time Echo Pulse Sequence at 3T MRI-Phantom Study  

Lee, Suk-Jun (Department of Biomedical Laboratory Science, College of Health Science, Cheongju University)
Yu, Seung-Man (Department of Radiological Science, College of Health Science, Gimcheon University)
Publication Information
Journal of radiological science and technology / v.38, no.3, 2015 , pp. 253-259 More about this Journal
Abstract
The information of contrast media concentration on target organ is very important to get reduce the side effect and high contrast imaging. We investigated alternation of signal intensity as a function of the modality of Gd-based contrast media on spin echo and ultra short time echo (UTE) of T1 effective pulse sequence at 3T MRI unit. Gadoxetic acid, which is a MRI T1 contrast medium, was used to manufacture an agarose phantom diluted in various molarities, and sterile water and agarose 2% were used as the buffer solution for the dilution. The gold standard T1 calculation was based on coronal single section imaging of the phantom mid-point with 2D Inversion recovery spine-echo pulse sequence MR imaging for testing of phantom accuracy. The 1-2mmol/L and 7mmol/L was shown the maximum signal intensity on spin echo and UTE respectively. We confirm the difference of contrast media concentration which was shown the maximum signal intensity depending on the T1 effective pulse sequence.
Keywords
MRI; Contrast media; Signal intensity; Phantom; Relaxation time;
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Times Cited By KSCI : 4  (Citation Analysis)
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