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Result: Searchterm 't1' found in 18 news
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Ernst angle calculator
''This Ernst angle calculator determines the optimal flip angle which maximizes the MR signal for a given T1 ...'
2011   by www.mritoolbox.com
mDIXON being developed to simplify and accelerate liver MRI
''A liver MRI exam typically includes T2-weighted imaging, chemical shift imaging, pre-contrast T1-weighted, and dynamic post-contrast imaging. Currently, three separate scans are required to create these four image datasets. The mDIXON sequence is being ...'
September 2010   by incenter.medical.philips.com
Assessing the usefulness of a novel MRI-based breast density estimation algorithm in a cohort of women at high genetic risk of breast cancer: the UK MARIBS study
''IntroductionMammographic breast density is one of the strongest known risk factors for breast cancer. We present a novel technique for estimating breast density based on 3D T1-weighted magnetic resonance imaging (MRI) and evaluate its performance, ...'
Wednesday, 11 November 2009   by 7thspace.com
Susceptibility-Weighted Imaging: Technical Aspects and Clinical Applications, Part 1
''Susceptibility-weighted imaging (SWI) is a new neuroimaging technique, which uses tissue magnetic susceptibility differences to generate a unique contrast, different from that of spin density, T1, T2, and T2*. In this review (the first of 2 parts), we ...'
Friday, 30 January 2009   by www.ajnr.org
T1rho-prepared balanced gradient echo for rapid 3D T1rho MRI
''To develop a T1rho-prepared, balanced gradient echo (b-GRE) pulse sequence for rapid three-dimensional (3D) T1rho relaxation mapping within the time constraints of a clinical exam (<10 minutes), examine the effect of acquisition on the measured T1rho ...'
Monday, 1 September 2008   by www.ncbi.nlm.nih.gov
Possible New MRI Marker for Multiple Sclerosis Progression
''BOSTON, Aug. 28 -- Bright spots commonly seen on T1 magnetic resonance imaging brain scans of multiple sclerosis patients may help predict risk of disease progression, researchers here said. The number of these hyperintense lesions was also ...'
Wednesday, 29 August 2007   by www.medpagetoday.com
Factors influencing flip angle mapping in MRI: RF pulse shape, slice-select gradients, off-resonance excitation, and B0 inhomogeneities.
''To understand the various effects that influence actual flip angles, and correct for these effects, it is important to precisely quantify the MRI parameters (such as T1, T2, and perfusion). In ...'
Tuesday, 1 August 2006   by www.ncbi.nlm.nih.gov
Musculoskeletal MRI at 3.0 T: Relaxation Times and Image Contrast
''The purpose of our study was to measure relaxation times in musculoskeletal tissues at 1.5 and 3.0 T to optimize musculoskeletal MRI methods at 3.0 T. In the knees of five healthy volunteers, we measured the T1 and T2 relaxation times of cartilage, ...'
Sunday, 1 August 2004   by www.ajronline.org
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