MT effects and T 1 quantification in single-slice spoiled gradient echo imaging
نویسندگان
چکیده
منابع مشابه
Free-breathing myocardial T1 mapping using magnetization-prepared slice interleaved spoiled gradient echo imaging
Background Quantitative myocardial T1 mapping and extracellular volume fraction (ECV) show promise for non-invasive assessment of cardiomyopathies. Most available T1 mapping sequences use a single slice breath-hold acquisition with balanced steady state free precession (b-SSFP) readout [1]. However, b-SSFP readout is sensitive to B0 field inhomogeneity and is potentially T2 dependent [1]. In th...
متن کاملSpoiled & Balanced Gradient Echo Methods
Imaging with spoiled, balanced or nonbalanced gradient echo (GRE) refers to a class of fast imaging sequences that use a dynamic equilibrium or steady state signal for imaging. As originally introduced in 1958 by Carr (1) for NMR spectroscopy, a dynamic equilibrium or steadystate can be established by a train of radio-frequency (RF) excitation pulses interleaved by periods of ‘free precession’,...
متن کاملSpoiled & Balanced Gradient-Echo Sequences
1 Introduction Rapid imaging sequences are characterized by a fast train of excitation and gradient pulses. Between excitation pulses or within TR, the magnetization is not able to return to its thermal equilibrium. As a consequence, excitation pulses will influence both the remaining transversal and the remaining longitudinal magnetization. The steady-state magnetization of a multi pulse exper...
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C. N. Wiens, B. T. Addeman, S. J. Kisch, C. D. Hines, H. Yu, J. H. Brittain, S. B. Reeder, and C. A. McKenzie Physics, University of Western Ontario, London, Ontario, Canada, Medical Biophysics, University of Western Ontario, London, Ontario, Canada, Biomedical Engineering, University of Wisconsin-Madison, Madison, Wisconsin, United States, Applied Science Laboratory, GE Healthcare, Radiology, ...
متن کاملEvaluation of a free-breathing myocardial T1 mapping using magnetization-prepared slice interleaved spoiled gradient echo imaging in patient
Background Quantitative myocardial T1 mapping shows promise for assessment of various cardiomyopathies. Most available sequences are generally acquired within a breath-hold using a balanced SSFP (bSSFP) imaging readout. However, the signal obtained from a bSSFP imaging readout is T2 dependent, sensitive to magnetization transfer and has increased susceptibility to the B0 field inhomogeneity lea...
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ژورنال
عنوان ژورنال: Magnetic Resonance in Medicine
سال: 2008
ISSN: 0740-3194
DOI: 10.1002/mrm.21550