The use of MR B1+ imaging for validation of FDTD electromagnetic simulations of human anatomies

Physics in Medicine and Biology

Volumn 51, Issue 19, 2006, Pages 4735-4746

  Van Den Berg, Cornelis A T ^a   Bartels, Lambertus W ^a   Van Den Bergen, Bob ^a   Kroeze, Hugo ^a   De Leeuw, Astrid A C ^a   Van De Kamer, Jeroen B ^b   Lagendijk, Jan J W ^a  

^a UNIVERSITY MEDICAL CENTER UTRECHT   (Netherlands)

^b ACADEMIC MEDICAL CENTER   (Netherlands)

Author keywords

[No Author keywords available]

Indexed keywords

FDTD SIMULATIONS; HUMAN ANATOMIES; HUMAN CORPSE; HUMAN PELVIS;

APPROXIMATION THEORY; COMPUTER SIMULATION; DIELECTRIC PROPERTIES; ELECTRIC CURRENTS; ELECTROMAGNETIC FIELDS; FINITE DIFFERENCE METHOD; HUMAN ENGINEERING; IMAGING TECHNIQUES; RADIO FREQUENCY AMPLIFIERS;

MAGNETIC RESONANCE IMAGING;

ARTICLE; CELL HETEROGENEITY; CORRELATION ANALYSIS; ELECTROMAGNETIC FIELD; HUMAN; IMAGING SYSTEM; PRIORITY JOURNAL; RADIOFREQUENCY;

COMPUTER SIMULATION; ELECTROMAGNETIC FIELDS; ELECTROMAGNETIC PHENOMENA; ELECTROMAGNETICS; HUMANS; HYPERTHERMIA, INDUCED; MAGNETIC RESONANCE IMAGING; MONTE CARLO METHOD; NUMERICAL ANALYSIS, COMPUTER-ASSISTED; PHANTOMS, IMAGING; RADIO WAVES; RADIOTHERAPY PLANNING, COMPUTER-ASSISTED; TIME FACTORS;

EID: 33748950980     PISSN: 00319155     EISSN: 13616560     Source Type: Journal    
DOI: 10.1088/0031-9155/51/19/001     Document Type: Article

References (32)

1. Alecci M, Collins C M, Smith M B and Jezzard P 2001 Radio frequency magnetic field mapping of a 3 Tesla birdcage coil: experimental and theoretical dependence of sample properties Magn. Reson. Med. 46 379-85
2. Barker G J, Simmons A, Arridge S R and Tofts P S 1998 A simple method for investigating the effects of non-uniformity of radiofrequency transmission and radiofrequency reception in mri Br. J. Radiol. 71 59-67
3. Berntsen S and Hornsleth S N 1994 Retarded time absorbing boundary conditions IEEE Trans. Antennas Propag. 42 1059-64
4. 1 mapping by variable flip angles: accurate and precise measurements in the presence of radiofrequency field inhomogeneity Magn. Reson. Med. 55 566-74
5. Chin C L, Collins C M, Li S, Dardzinski B J and Smith M B 2002 Birdcagebuilder: design of specified-geometry birdcage coils with desired current pattern and resonant frequency Magn. Reson. Med. 15 156-63
6. 1 field distributions in a heterogeneous human head model within a birdcage coil Magn. Reson. Med. 40 847-56
7. DeMeester G D, Zhai Z, Morich M A and Harvey P R 2003 Head imaging using head transmit coil and body transmit coil at 3 t ISMRM-2003: Abstracts (Honolulu, HI: International Society of Magnetic Resonance in Medicine)
8. 1 mapping with epi in ISMRM-2004: Abstracts (Kyoto: International Society of Magnetic Resonance in Medicine)
9. Gabriel C 1996 Compilation of the dielectric properties of body tissues at rf and microwave frequencies Brooks Air Force Technical Report AL/OE-TR-1996-0037
10. Gellermann J, Wust P, Stalling D, Seebass M, Nadobny J, Beck R, Hege H C, Deuflhard P and Felix R 2000 Clinical evaluation and verification of the hyperthermia treatment planning system hyperplan Int. J. Radiat. Oncol. Biol. Phys. 47 1145-56
11. Hirata A 2005 Temperature increase in human eyes due to near-field and far-field exposures at 900 MHz, 1.5 GHz, and 1.9 GHz IEEE Trans. Electromagn. Compat. 47 68-76
12. Hoult D I 2000 The principle of reciprocity in signal strength calculations, a mathematical guide Concepts Magn. Reson. 12 173-87
13. Ibrahim T S, Lee R, Baertlein B A, Yu Y and Robitaille P L 2000 Computational analysis of the high pass birdcage resonator: finite difference time domain simulations for high-field mri Magn. Reson. Imaging 18 835-43
14. Ibrahim T S, Mitchell C, Schmalbrock P, Lee R and W Chakeres D 2005 Electromagnetic perspective on the operation of rf coils at 1.5-11.7 tesla Magn. Reson. Med. 54 683-90
15. Jin J M, Chen J, Chen W C, Gan H, Magin R L and Dimbylow P J 1996 Computation of electromagnetic fields for high-frequency magnetic resonance imaging applications Phys. Med. Biol. 41 2719-38
16. 2, and ρ calculations, combining rations and least squares Magn. Reson. Med. 5 513-24
17. Lawrence C, Zhou J L and Tits A L 1994 User's Guide for CFSQP Version 2.5: Ac Code for Solving Constrained Nonlinear Optimization Problems, Generating Iterates Satisfying All Inequality Constraints
18. Nadobny J, Wlodarczyk W, Westhoff L, Gellermann J, Felix R and Wust P 2005 A clinical water-coated antenna applicator for mr-controlled deep-body hyperthermia: a comparison of calculated and measured 3-d temperature data sets IEEE Trans. Biomed. Eng. 52 505-19
19. 1 measurements in the presence of non-ideal rf pulse shape and rf field nonuniformity Magn. Reson. Med. 45 838-45
20. Paulsen K D, Jia X and Sullivan J M Jr 1993 Finite element computations of specific absorption rates in anatomically conforming full-body models for hyperthermia treatment analysis IEEE Trans. Biomed. Eng. 40 933-45
21. Press W H, Flannery B P, Teukolsky S A and Vetterling W T 1988 Numerical Recipes in C (Cambridge: Cambridge University Press)
22. Sled J G and Pike G B 1998 Standing-wave and rf penetration artifacts caused by elliptical geometry: an electrodynamic analysis of mri IEEE Trans. Med. Imaging 17 653-62
23. Sreenivasa G, Gellermann J, Rau B, Nadobny J, Schlag P, Deuflhard P, Felix R and Wust P 2003 Clinical use of the hyperthermia treatment planning system hyperplane to predict effectiveness and toxicity Int. J. Radiat. Oncol. Biol. Phys. 55 407-19
24. Sullivan D M, Borup D T and Gandhi O P 1987 Use of the finite-difference time-domain method in calculating EM absorption in human tissues IEEE Trans. Biomed. Eng. 34 148-57
25. Van de Kamer J B 2001 High-resolution regional hyperthermia treatment planning Med. Phys. 28 2182
26. Van de Kamer J B, De Leeuw A A C, Hornsleth S N, Kroeze H, Kotte A N T J and Lagendijk J J W 2001a Development of a regional hyperthermia treatment planning system Int. J. Hyperth. 17 207-20
27. Van de Kamer J B, Kroeze H, De Leeuw A A C and Lagendijk J J W 2001b Quasistatic zooming of FDTD -field computations: the impact of down-scaling techniques Phys. Med. Biol. 46 1539-51
28. Van de Kamer J B, Van Vulpen M, De Leeuw A A C, Kroeze H and Lagendijk J J W 2002 CT-resolution regional hyperthermia treatment planning Int. J. Hyperth. 18 104-16
29. 1 imaging Phys. Med. Biol. 49 5029-42
30. Vaughan J T et al 2001 7 t versus 4 t: Rf power, homogeneity, and signal-to-noise comparison in head images Magn. Reson. Med. 46 24-30
31. Wang J, Qiu M, Yang Q X, Smith M B and Constable R T 2005 Measurement and correction of transmitter and receiver induced nonuniformities in vivo Magn. Reson. Med. 53 408-17
32. Zwamborn A P M, Van den Berg P M, Mooibroek J and Koenis F T C 1992 Computation of three dimensional electro-magnetic field distributions in a human body using the weak form of the CGFFT method ACES J. 7 26-42