Abstract
Utility of the signal intensity ratio of the spleen and myocardium (SMR) on T2-weighted short tau inversion recovery black-blood (T2-STIR BB) images compared to semi-quantitative analysis in patients with images with diffuse high T2 signal intensity, such as that with Takotsubo cardiomyopathy, cardiac amyloidosis, hypereosinophilic myocarditis, and apical hypertrophic cardiomyopathy Ryosuke Aoki, Takatomo Nakajima, Yosuke Nakano, Reina Tonegawa, Keiko Masuoka, Makoto Muto
Highlights
T2-weighted short tau inversion recovery black-blood (T2STIR BB) images are widely used to evaluate edematous changes in the myocardium, such as that with acute myocardial infarction, myocarditis, and several cardiomyopathies, and visual assessment has been the main method to analyze T2-STIR BB images
Utility of the signal intensity ratio of the spleen and myocardium (SMR) on T2-weighted short tau inversion recovery black-blood (T2-STIR BB) images compared to semi-quantitative analysis in patients with images with diffuse high T2 signal intensity, such as that with Takotsubo cardiomyopathy, cardiac amyloidosis, hypereosinophilic myocarditis, and apical hypertrophic cardiomyopathy
Among 376 consecutive patients who underwent cardiac magnetic resonance (MR) imaging examination using 1.5 Tesla MR system (Intera Achieva with 32-channel coil, Philps Medical Systems, Netherlands) between January 1, 2013 through December 31, 2014, we identified 22 cases with left ventricular ejection fraction exceeding 55% and no late gadolinium enhancement as our normal group to determine the normal range of the signal intensity ratio of the spleen and myocardium
Summary
Utility of the signal intensity ratio of the spleen and myocardium (SMR) on T2-weighted short tau inversion recovery black-blood (T2-STIR BB) images compared to semi-quantitative analysis in patients with images with diffuse high T2 signal intensity, such as that with Takotsubo cardiomyopathy, cardiac amyloidosis, hypereosinophilic myocarditis, and apical hypertrophic cardiomyopathy. Ryosuke Aoki1*, Takatomo Nakajima, Yosuke Nakano, Reina Tonegawa, Keiko Masuoka, Makoto Muto. From 19th Annual SCMR Scientific Sessions Los Angeles, CA, USA. From 19th Annual SCMR Scientific Sessions Los Angeles, CA, USA. 27-30 January 2016
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