(Q33720076)

28 July 2017

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title

Numerical field calculations considering the human subject for engineering and safety assurance in MRI. (English)

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human subject research project

28 July 2017

main subject

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author name string

Christopher M Collins

series ordinal

1

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28 July 2017

publication date

1 November 2009

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28 July 2017

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28 July 2017

volume

22

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28 July 2017

issue

9

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28 July 2017

page(s)

919-926

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Calculations of B1 Distribution, Specific Energy Absorption Rate, and Intrinsic Signal-to-Noise Ratio for a Body-Size Birdcage Coil Loaded with Different Human Subjects at 64 and 128 MHz.

28 July 2017

cites work

1 reference

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Calculation of SAR for Transmit Coil Arrays

21 June 2018

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Evaluation of MR-induced hot spots for different temporal SAR modes using a time-dependent finite difference method with explicit temperature gradient treatment

21 June 2018

1 reference

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Array-optimized composite pulse for excellent whole-brain homogeneity in high-field MRI

21 June 2018

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Rapid calculations of susceptibility-induced magnetostatic field perturbations for in vivo magnetic resonance

21 June 2018

1 reference

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9.4T human MRI: preliminary results.

21 June 2018

1 reference

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Parallel imaging performance as a function of field strength--an experimental investigation using electrodynamic scaling

21 June 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=2836719

Generalized autocalibrating partially parallel acquisitions (GRAPPA)

21 June 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=2836719

Analysis of wave behavior in lossy dielectric samples at high field

21 June 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=2836719

Partially parallel imaging with localized sensitivities (PILS).

21 June 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=2836719

Sensitivity and power deposition in a high-field imaging experiment

21 June 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=2836719

SENSE: sensitivity encoding for fast MRI.

21 June 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=2836719

Simulation of B1 field distribution and intrinsic signal-to-noise in cardiac MRI as a function of static magnetic field.

21 June 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=2836719

An FEM approach for the characterization of the RF field homogeneity at high field

21 June 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=2836719

Computation of electromagnetic fields for high-frequency magnetic resonance imaging applications.

21 June 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=2836719

Estimating radiofrequency power deposition in body NMR imaging.

21 June 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=2836719

The intrinsic signal-to-noise ratio in NMR imaging

21 June 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=2836719

21 June 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=2836719

Magnetic resonance imaging: calculation of rates of energy absorption by a human-torso model

21 June 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=2836719

Electromagnetic fields of surface coilin vivo NMR at high frequencies

21 June 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=2836719

Numerical study of currents in workers induced by body-motion around high-ultrahigh field MRI magnets.

21 June 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=2836719

A noniterative method to design large-tip-angle multidimensional spatially-selective radio frequency pulses for parallel transmission.

30 October 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=2836719

Simultaneous B1 + homogenization and specific absorption rate hotspot suppression using a magnetic resonance phased array transmit coil.

30 October 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=2836719

Proposed radiofrequency phased-array excitation scheme for homogenous and localized 7-Tesla whole-body imaging based on full-wave numerical simulations.

30 October 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=2836719

Consideration of magnetically-induced and conservative electric fields within a loaded gradient coil.

30 October 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=2836719

Prediction of specific absorption rate in mother and fetus associated with MRI examinations during pregnancy.

30 October 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=2836719

B(1) destructive interferences and spatial phase patterns at 7 T with a head transceiver array coil

30 October 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=2836719

Combination of optimized transmit arrays and some receive array reconstruction methods can yield homogeneous images at very high frequencies

30 October 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=2836719

Analytical approach to the MR signal.

30 October 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=2836719

Focused, eight-element transceive phased array coil for parallel magnetic resonance imaging of the chest--theoretical considerations.

30 October 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=2836719

The SIMRI project: a versatile and interactive MRI simulator.

30 October 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=2836719

Central brightening due to constructive interference with, without, and despite dielectric resonance.

30 October 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=2836719

Perturbation method for magnetic field calculations of nonconductive objects.

30 October 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=2836719

Numerical evaluation of heating of the human head due to magnetic resonance imaging.

30 October 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=2836719

On the induced electric field gradients in the human body for magnetic stimulation by gradient coils in MRI.

30 October 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=2836719

Simple anatomical measurements do not correlate significantly to individual peripheral nerve stimulation thresholds as measured in MRI gradient coils

30 October 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=2836719

Calculation of electric fields induced by body and head motion in high-field MRI.

30 October 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=2836719

Three-dimensional numerical simulations of susceptibility-induced magnetic field inhomogeneities in the human head.

30 October 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=2836719

Numerical calculations of the static magnetic field in three-dimensional multi-tissue models of the human head.

30 October 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=2836719

7T vs. 4T: RF power, homogeneity, and signal-to-noise comparison in head images.

30 October 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=2836719

Calculations of B(1) distribution, SNR, and SAR for a surface coil adjacent to an anatomically-accurate human body model.

30 October 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=2836719

On a possible mechanism for peripheral nerve stimulation during magnetic resonance imaging scans.

30 October 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=2836719

Computational analysis of the high pass birdcage resonator: finite difference time domain simulations for high-field MRI.

30 October 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=2836719

SAR and temperature changes in the leg due to an RF decoupling coil at frequencies between 64 and 213 MHz.

30 October 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=2836719

Electromagnetic and thermal modeling of SAR and temperature fields in tissue due to an RF decoupling coil.

30 October 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=2836719

Ultimate intrinsic signal-to-noise ratio in MRI.

30 October 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=2836719

Simultaneous acquisition of spatial harmonics (SMASH): fast imaging with radiofrequency coil arrays

30 October 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=2836719

Spatial distribution of high-frequency electromagnetic energy in human head during MRI: numerical results and measurements.

30 October 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=2836719

High frequency volume coils for clinical NMR imaging and spectroscopy.

30 October 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=2836719

30 October 2018

1 reference

12 December 2020

Predicting RF field penetration in heterogeneous bodies using a 3-D finite element approach: preliminary results

1 reference

12 December 2020

Susceptibility artefacts in NMR imaging

1 reference

12 December 2020

Radio frequency eddy current losses for an annular conductor in MRI: theory and applications

1 reference

12 December 2020

Different excitation and reception distributions with a single-loop transmit-receive surface coil near a head-sized spherical phantom at 300 MHz

1 reference

12 December 2020

SAR and B1 field distributions in a heterogeneous human head model within a birdcage coil. Specific energy absorption rate

1 reference

12 December 2020

A numerical study of radiofrequency deposition in a spherical phantom using surface coils

1 reference

12 December 2020

On the SAR and field inhomogeneity of birdcage coils loaded with the human head

1 reference

12 December 2020

Spatial resolution of numerical models of man and calculated specific absorption rate using the FDTD method: a study at 64 MHz in a magnetic resonance imaging coil

1 reference

12 December 2020

Numerical analysis of the magnetic field for arbitrary magnetic susceptibility distributions in 3D

1 reference

12 December 2020

Theoretical and experimental evaluation of detached endcaps for 3 T birdcage coils

1 reference

12 December 2020

A generalized approach to parallel magnetic resonance imaging

1 reference

12 December 2020

Temperature and SAR calculations for a human head within volume and surface coils at 64 and 300 MHz

1 reference

12 December 2020

Signal-to-noise ratio and absorbed power as functions of main magnetic field strength, and definition of "90 degrees " RF pulse for the head in the birdcage coil

1 reference

12 December 2020

Effect of RF coil excitation on field inhomogeneity at ultra high fields: a field optimized TEM resonator

1 reference

12 December 2020

Three-dimensional mapping of the static magnetic field inside the human head

1 reference

12 December 2020

RF magnetic field penetration, phase shift and power dissipation in biological tissue: implications for NMR imaging

1 reference

12 December 2020

Induction of electric fields due to gradient switching: a numerical approach

1 reference

12 December 2020

Identifiers

DOI

10.1002/NBM.1251

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28 July 2017

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28 July 2017

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