Radiation induced currents in MRI RF coils: Application to linac/MRI integration

Physics in Medicine and Biology

Volumn 55, Issue 3, 2010, Pages 735-746

  Burke, B ^a   Fallone, B G ^a,b   Rathee, S ^a,b  

^a UNIVERSITY OF ALBERTA   (Canada)

^b CROSS CANCER INSTITUTE   (Canada)

Author keywords

[No Author keywords available]

Indexed keywords

COPPER WINDINGS; DOSE RATE; FREQUENCY CHARACTERISTIC; FREQUENCY SPECTRA; GEOMETRIC MARGIN; IMAGE ARTIFACTS; IMAGE GUIDED RADIOTHERAPY; INTEGRATED SYSTEMS; LINEAR DEPENDENCE; NORMAL TISSUE DAMAGE; PULSED RADIATION; RADIATION PULSE; RADIATION-INDUCED CURRENTS; RADIO FREQUENCY COILS; RADIO-FREQUENCY COIL; RADIOTHERAPY TREATMENT; REAL-TIME OPERATION; RF COIL; TUMOR LOCATION;

LINEAR ACCELERATORS; MAGNETIC RESONANCE IMAGING; MEDICAL IMAGING; RADIOTHERAPY; RESONANCE; SIGNAL TO NOISE RATIO; SPECTROSCOPY; TUMORS;

REAL TIME SYSTEMS;

COPPER;

ARTICLE; ELECTROMAGNETIC FIELD; INSTRUMENTATION; MAGNETIC AND ELECTROMAGNETIC EQUIPMENT; MICROWAVE RADIATION; NUCLEAR MAGNETIC RESONANCE IMAGING; OSCILLOMETRY; RADIATION; RADIATION DOSE; RADIATION EXPOSURE; SPECTROSCOPY; STATISTICAL MODEL; TIME;

COPPER; ELECTROMAGNETIC FIELDS; LINEAR MODELS; MAGNETIC RESONANCE IMAGING; MICROWAVES; OSCILLOMETRY; PARTICLE ACCELERATORS; RADIATION; RADIATION DOSAGE; SPECTRUM ANALYSIS; TIME FACTORS;

EID: 76149102283     PISSN: 00319155     EISSN: 13616560     Source Type: Journal    
DOI: 10.1088/0031-9155/55/3/013     Document Type: Article

References (15)

1. Abdel-Rahman W, Seuntjens J P, Verhaegen F and Podgorsak E B 2006 Radiation induced currents in parallel plate ionization chambers: measurement and Monte Carlo simulation for megavoltage photon and electron beams Med. Phys. 33 3094-104
2. Burke B, Lamey M, Rathee S, Murray B and Fallone B G 2009 Radio frequency noise from clinical linear accelerators Phys. Med. Biol. 54 2483-92
3. Dawson L A and Jaffray D A 2007 Advances in image-guided radiation therapy J. Clin. Oncol. 25 938-46
4. Degenhart H J and Schlosser W 1961 Transient effects of pulsed nuclear radiation on electronic parts and materials IRE Trans. Compon. Parts 8 123-8
5. Fallone B G, Carlone M, Murray B, Rathee S, Stanescu T, Steciw S, Wachowicz K and Kirkby C 2007 Development of a linac-MRI system for real-time ART Med. Phys. 34 2547
6. Fallone B G, Murray B, Rathee S, Stanescu T, Steciw S, Vidakovic S, Blosser E and Tymofichuk D 2009 First MR images obtained during megavoltage photon irradiation from a prototype integrated linac-MR system Med. Phys. 36 2084-8
7. Johns H E, Aspin N and Baker R G 1958 Currents induced in the dielectrics of ionization chambers through the action of high-energy radiation J. Radiat. Res. 9 573-88
8. Karzmark C J, Nunan C S and Tanabe E 1993 Medical Electron Accelerators (New York: McGraw-Hill)
9. Kirkby C, Stanescu T, Rathee S, Carlone M, Murray B and Fallone B G 2008 Patient dosimetry for hybrid MRI-radiotherapy systems Med. Phys. 35 1019-27
10. Lagendijk J J, Raaymakers B W, Van Der Heide U A, Overweg J, Brown K J, Bakker C, Raaijmakers A J, Vulpen M, Welleweerd J and Jurgenliemk-Schulz I 2005 In room magnetic resonance imaging guided ratiotherapy (MRIgRT) Med. Phys. 32 2067
11. Meyer R A, Bouquet F L and Alger R S 1956 Radiation induced conductivity in polyethylene and teflon J. Appl. Phys. 27 1012-8
12. Raaijmakers A J, Raaymakers B W and Lagendijk J J 2008 Magnetic field-induced dose effects in MR-guided radiotherapy systems: dependence on the magnetic field strength Phys. Med. Biol. 53 909-23
13. Raaymakers B W et al 2009 Integrating a 1.5 T MRI scanner with a 6 MV accelerator: proof of concept Phys. Med. Biol. 54 N229-37
14. Sato F, Tanaka T, Kagawa T and Iida T 2004 Impedance measurements of thin film ceramics under ion beam irradiation J. Nucl. Mater. 329-333 1034-7
15. Verellen D, De Ridder M, Linthout N, Tournel K, Soete G and Storme G 2007 Innovations in image-guided radiotherapy Nature Rev. Cancer 7 949-60