Simultaneous B1 + homogenization and specific absorption rate hotspot suppression using a magnetic resonance phased array transmit coil.
about
Biological effects and safety in magnetic resonance imaging: a reviewMagnetic resonance imaging at ultrahigh fields.Calculation of radiofrequency electromagnetic fields and their effects in MRI of human subjects.An approach to rapid calculation of temperature change in tissue using spatial filters to approximate effects of thermal conduction.Numerical field calculations considering the human subject for engineering and safety assurance in MRI.Extended RF shimming: Sequence-level parallel transmission optimization applied to steady-state free precession MRI of the heart.A fast, analytically based method to optimize local transmit efficiency for a transmit array.Optimization and validation of methods for mapping of the radiofrequency transmit field at 3TStudies of RF Shimming Techniques with Minimization of RF Power Deposition and Their Associated Temperature Changes.Local B1+ shimming for prostate imaging with transceiver arrays at 7T based on subject-dependent transmit phase measurementsDynamically applied B1+ shimming solutions for non-contrast enhanced renal angiography at 7.0 Tesla.Fetal magnetic resonance imaging: jumping from 1.5 to 3 tesla (preliminary experience).Clinical applications of dual-channel transmit MRI: A review.An open 8-channel parallel transmission coil for static and dynamic 7T MRI of the knee and ankle joints at multiple postures.SVD analysis of Array transmission and reception and its use for bootstrapping calibration.The effect of high-permittivity pads on specific absorption rate in radiofrequency-shimmed dual-transmit cardiovascular magnetic resonance at 3T.Local specific absorption rate in brain tumors at 7 tesla.Specific absorption rate studies of the parallel transmission of inner-volume excitations at 7T.Effects of receive-only inserts on specific absorption rate, B1 (+) field, and Tx coil performance.Understanding and manipulating the RF fields at high field MRI.Measurement of SAR-induced temperature increase in a phantom and in vivo with comparison to numerical simulation.Electrodynamic constraints on homogeneity and radiofrequency power deposition in multiple coil excitations.Radiofrequency energy deposition and radiofrequency power requirements in parallel transmission with increasing distance from the coil to the sample.Specific absorption rate intersubject variability in 7T parallel transmit MRI of the head.MR safety assessment of potential RF heating from cranial fixation plates at 7 T.High permittivity pads reduce specific absorption rate, improve B1 homogeneity, and increase contrast-to-noise ratio for functional cardiac MRI at 3 T.Improved steering of the RF field of traveling wave MR with a multimode, coaxial waveguide.CNR considerations for rapid real-time MRI tumor tracking in radiotherapy hybrid devices: Effects of B0 field strength.A conformal transceive array for 7 T neuroimaging.A radiofrequency coil to facilitate B₁⁺ shimming and parallel imaging acceleration in three dimensions at 7 T.Tissue Border Enhancement by inversion recovery MRI at 7.0 Tesla.A specific absorption rate prediction concept for parallel transmission MR.Fast design of local N-gram-specific absorption rate-optimized radiofrequency pulses for parallel transmit systems.Local SAR management by RF shimming: a simulation study with multiple human body models.A form-fitted three channel (31) P, two channel (1) H transceiver coil array for calf muscle studies at 7 T.Increasing signal homogeneity and image quality in abdominal imaging at 3 T with very high permittivity materials.
P2860
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P2860
Simultaneous B1 + homogenization and specific absorption rate hotspot suppression using a magnetic resonance phased array transmit coil.
description
2007 nî lūn-bûn
@nan
2007年の論文
@ja
2007年学术文章
@wuu
2007年学术文章
@zh
2007年学术文章
@zh-cn
2007年学术文章
@zh-hans
2007年学术文章
@zh-my
2007年学术文章
@zh-sg
2007年學術文章
@yue
2007年學術文章
@zh-hant
name
Simultaneous B1 + homogenizati ...... ce phased array transmit coil.
@en
Simultaneous B1 + homogenizati ...... ce phased array transmit coil.
@nl
type
label
Simultaneous B1 + homogenizati ...... ce phased array transmit coil.
@en
Simultaneous B1 + homogenizati ...... ce phased array transmit coil.
@nl
prefLabel
Simultaneous B1 + homogenizati ...... ce phased array transmit coil.
@en
Simultaneous B1 + homogenizati ...... ce phased array transmit coil.
@nl
P2093
P356
P1476
Simultaneous B1 + homogenizati ...... nce phased array transmit coil
@en
P2093
Bas W Raaymakers
Bob van den Bergen
Hugo Kroeze
Jan J W Lagendijk
Jeroen B Van de Kamer
Lambertus W Bartels
P304
P356
10.1002/MRM.21149
P577
2007-03-01T00:00:00Z