Results 211 to 220 of about 6,769 (235)
Some of the next articles are maybe not open access.
Functional magnetic resonance imaging with an ultrashort echo time.
Medical physics, 2013The purpose of the authors study was to investigate a functional MRI (fMRI) technique with an ultrashort echo-time (UTE) sequence.An UTE-based fMRI technique was applied to 17 young healthy volunteers during visual stimulations on a 3T MRI system. In addition, a blood oxygen level-dependent (BOLD) fMRI image was also obtained to compare functional ...
Min-Ji, Kim +3 more
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Selective Excitation for Ultrashort Echo Time Imaging
2012Magnetic resonance imaging (MRI) is generally performed using a slice-selective excitation followed by 2D Fourier transform gradient encoding. This limits the minimum echo times to a few milliseconds, making signal components with short T2 relaxation times invisible. This article describes an alternative method for selective excitation that allows echo
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European Radiology, 2018
To determine the feasibility of using high-resolution volumetric zero echo time (ZTE) sequence in routine lung magnetic resonance imaging (MRI) and compare free breathing 3D ultrashort echo time (UTE) and ZTE lung MRI in terms of image quality and small-nodule detection.Our Institutional Review Board approved this study.
Kyungsoo Bae +6 more
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To determine the feasibility of using high-resolution volumetric zero echo time (ZTE) sequence in routine lung magnetic resonance imaging (MRI) and compare free breathing 3D ultrashort echo time (UTE) and ZTE lung MRI in terms of image quality and small-nodule detection.Our Institutional Review Board approved this study.
Kyungsoo Bae +6 more
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Ultrashort echo time imaging using pointwise encoding time reduction with radial acquisition (PETRA)
Magnetic Resonance in Medicine, 2011AbstractSequences with ultrashort echo times enable new applications of MRI, including bone, tendon, ligament, and dental imaging. In this article, a sequence is presented that achieves the shortest possible encoding time for each k‐space point, limited by pulse length, hardware switching times, and gradient performance of the scanner.
David M, Grodzki +2 more
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Three‐dimensional ultrashort echo‐time imaging using a
PurposeThree‐dimensional ultrashort echo‐time (UTE) imaging commonly makes use of an isotropic 3D radial projection acquisition. The FLORET sequence is proposed and evaluated as a more efficient alternative. Methods: The properties of the FLORET trajectory are contrasted with those of a 3D radial projection trajectory.
Ryan K, Robison +2 more
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Feasibility of ultrashort echo time (UTE) T2* cartilage mapping in the hip: a pilot study
Acta Radiologica, 2022Tony T Wong +2 more
exaly
Exponential subtraction in 3D ultrashort echo time imaging to visualize short T2 tissues in tibia
Acta Radiologica, 2020Sha Li, Yibao Zhang, Song Gao
exaly
Optimized 3D ultrashort echo time pulmonary MRI
Magnetic Resonance in Medicine, 2013Kevin M Johnson +2 more
exaly