Fat-suppressed three-dimensional dual echo dixon technique for contrast agent enhanced MRI
نویسندگان
چکیده
منابع مشابه
A Semi-empirical Predictor for Visceral Fat Fraction from 3D Dual Echo Dixon Technique
Introduction: Central obesity with high abdominal visceral fat is known to be an indicator of metabolic syndrome [1]. A multi-echo acquisition with 2-point Dixon reconstruction with decomposition of aqua/lipid (MEDAL) simultaneously provides a set of four images per slices – in-phase, outphase, fat-only and water-only images [2]. A threshold based on MEDAL acquisition parameters applied to fat-...
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PURPOSE To propose a method to quantify T1 and contrast agent uptake in breast dynamic contrast-enhanced (DCE) examinations undertaken with standard clinical fat-suppressed MRI sequences and to demonstrate the proposed approach by comparing the enhancement characteristics of lobular and ductal carcinomas. METHODS A standard fat-suppressed DCE of the breast was performed at 1.5 T (Siemens Aera...
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Previously published fast spin-echo (FSE) implementations of a Dixon method for water and fat separation all require multiple scans and thus a relatively long scan time. Further, the minimum echo spacing (esp), a time critical for FSE image quality and scan efficiency, often needs to be increased in order to bring about the required phase shift between the water and fat signals. This work propo...
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Introduction Turbo spin echo (TSE) sequences with black blood preparation pulses are an important component of cardiac MRI. It is commonly used for tissue characterization and anatomical assessment of the myocardium, e.g. for edema imaging aiming at the differentiation of acute from chronic myocardial infarction. TSE benefits from high SNR and the availability of good T1 or T2 weighting. So far...
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ژورنال
عنوان ژورنال: Journal of Magnetic Resonance Imaging
سال: 2005
ISSN: 1053-1807,1522-2586
DOI: 10.1002/jmri.20470