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KMID : 1151820140080050271
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Journal of the Korean Society of Radiology
2014 Volume.8 No. 5 p.271 ~ p.278
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A Study on Optimized MRI Fat-Saturation Technique for Brachial Plexus Patients : Focused on SPAIR and STIR Fat-Saturation
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Goo Eun-Hoe
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Abstract
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The purpose of this study is to know optimized fat suppression techniques for brachial plexus compared with STIR and SPAIR T1, T2 techniques. A total of 30 normal volunteers without brachial plexus disease were studied on a 3.0 T MRI scanner. As an analytical method , SNR, CNR, 4-point grading scale were evaluated by using three pulse sequences. As a quantitative analysis, the SNR, CNR for SPAIR T1 technique provided high value in branchial plexus roots (03.07, -2.25), branchial plexus trunks(06.70, 36.31)(p<0.05). As a qualitative Analysis, The visibility for delineation of brachial plexus, fat suppression, artifact was significantly better on SPAIR T1(3.2, 3.6, 3.4) technique(p<0.05).
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KEYWORD
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short TI inversion recovery(STIR), spectral adiabatic inversion recovery(SPAIR), signal to noise ratio(SNR), contrast to noise ratio(CNR), brachial plexus
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