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Fig. 10 | Journal of Cardiovascular Magnetic Resonance

Fig. 10

From: Evaluation of 3D multi-contrast joint intra- and extracranial vessel wall cardiovascular magnetic resonance

Fig. 10

Quantitative SNR measurements of wall and lumen at five locations illustrating the blood suppression effectiveness. The five locations for SNR measurements are denoted by the dashed lines in one MPR result (a). (b - d) show the results of SNR measurement on wall and lumen at different locations for each 3D sequence. Note the lumen signal measured on SNAP images is actually in opposite polarity compared to the wall signal. Therefore the CNR of SNAP is SNRw + SNRl while the CNR of other two sequences are SNRw-SNRl. Marker "*" indicates the significant difference between wall and lumen signal were found by Wilcoxon signed rank sign test

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