Investigation of secondary neutron dose for 18 MV dynamic MLC IMRT delivery

Medical Physics

Volumn 32, Issue 3, 2005, Pages 786-793

  Howell, Rebecca M ^a,c   Ferenci, Michele S ^a   Hertel, Nolan E ^b   Fullerton, Gary D ^c  

^a EMORY UNIVERSITY SCHOOL OF MEDICINE   (United States)

^b GEORGIA INSTITUTE OF TECHNOLOGY   (United States)

^c UNIVERSITY OF TEXAS HEALTH SCIENCE CENTER AT SAN ANTONIO   (United States)

Author keywords

IMRT; Monte Carlo; Secondary neutrons

Indexed keywords

MONTE CARLO METHODS; RADIOTHERAPY;

COMPONENT DIMENSIONS; DYNAMIC MULTILEAF COLLIMATION; IMRT; INTENSITY-MODULATED RADIATION THERAPY; MONTE CARLO CALCULATION; NEUTRON PRODUCTION; SCATTERED PHOTONS; SECONDARY NEUTRONS;

NEUTRONS;

ARTICLE; CALCULATION; CALIBRATION; COLLIMATOR; ENERGY; GEOMETRY; INTENSITY MODULATED RADIATION THERAPY; MONTE CARLO METHOD; NEUTRON; NEUTRON RADIATION; PHANTOM; PRIORITY JOURNAL; TREATMENT PLANNING;

EID: 15744366886     PISSN: 00942405     EISSN: None     Source Type: Journal    
DOI: 10.1118/1.1861162     Document Type: Article

References (30)

1. American Cancer Society, "Cancer statistics, 2003," Ca-Cancer J. Clin. 53, 5-26 (2003).
2. T. Y. Eng et al., "Primary radiation therapy for localized prostate cancer," Semin Urol. Oncol. 7, 239-257 (2002).
3. J. S. Laughlin et al., "Choice of optimum megavoltage for photon beam treatment," Int. J. Radiat. Oncol., Biol., Phys. 12, 1551-1557 (1986).
4. A. Parzall et al., "The effect of beam energy and number of fields on photon-based IMRT for deep-seated targets," Int. J. Radiat. Oncol., Biol., Phys. 53, 434-442 (2002).
5. American Association of Physicists in Medicine (AAPM), Report 19: Neutron Measurements around High Energy X-Ray Radiotherapy Machines (American Institute of Physics, New York, 1987).
6. National Council on Radiation Protection and Measurements (NCRP), Report 51: Radiation Protection Design Guidelines for 0.1-100 MeV Particle Accelerator Facilities (National Council on Radiation Protection and Measurements, Washington, 1977).
7. S. S. Chen et al., "Neutron measurements in intensity modulated radiotherapy of 18 MV photon beams," Med. Phys. 29, 1267 (2002) (AAPM Annual Meeting, poster session abstract, Montreal, Canada).
8. T. C. Chu et al., "The measurement of photoneutron in the vicinity of Siemans Primus Linear Accelerator," Proc. of the 1999 Particle Accelerator Conference, New York (1999), 2531-2533.
9. F. Difllippo et al., "Photoneutron doses in radiotherapy treatments simulated with MCNPX code version 2.2.6," Med. Phys. 29, 1938 (2002) (poster session WIP abstract, AAPM Annual Meeting Poster Session WIP, Montreal, Canada).
10. S. Kry et al., "A comparison of risk estimates from conventional and IMRT treatments delivered with Siemans and Varian Accelerators," Med. Phys. 31, 1853 (2004) (AAPM Annual Meeting, poster session abstract, Pittsburgh, PA).
11. S. Kry et al., "Secondary dose from IMRT treatments," Med. Phys. 29, 1348 (2002) (AAPM Annual Meeting, poster session abstract, Montreal, Canada).
12. C. Ongaro et al., "Monte Carlo simulation and experimental evaluation of photoneutron spectra produced in medical linear accelerators," Proc. of the 1999 Particle Accelerator Conference, New York (1999), pp. 2531-2533.
13. D. S. Followell, "Estimates of the whole-body dose equivalent produced by beam intensity modulated conformal therapy," Int. J. Radiat. Oncol., Biol., Phys. 38, 667-672 (1997).
14. J. Sweezy et al., "Performance of multisphere spectrometry systems," Radiat. Prot. Dosim. 78, 263-272 (1998).
15. J. Sweezy, "A multisphere neutron spectrometer measurement of the Georgia Tech Research Reactor Bio-Medical Facility," M.S. thesis, Georgia Institute of Technology, 1996.
16. T. L. Johnson et al., "Recent advances in Bonner Sphere neutron spectrometry," Proceedings of the Topical Conference on Theory and Practices in Radiation Protection and Shielding, April 22-24, 1987, Knoxsville, TN, Sponsored by the Radiation Protection and Shielding Division of the American Nuclear Society, 83-92.
17. J. Sweezy et al., "BUMS-Bonner sphere unfolding made simple: An HTML based multisphere neutron spectrometer unfolding package," Nucl. Instrum. Methods Phys. Res. A 476, 263-269 (2002).
18. J. J. Doroshenko et al., "New methods for measuring neutron spectra with energy from 0.4 eV to 10 MeV by track and activation detectors," Nucl. Technol. 33, 296-304 (1977).
19. N. E. Hertel et al., "The response of bonner spheres to neutrons from thermal energies to 17.3 MeV," Nucl. Instrum. Methods Phys. Res. A 238, 509-516 (1985).
20. International Commission on Radiation Protection and Measurements, "ICRP Publication 74: Conversion coefficients for use in radiological protection against external radiation," Ann. ICRP 26, (1996).
21. International Commission on Radiation Units and Measurements, "Conversion coefficients for use in radiological protection against external radiation," ICRU Report 57 (1998).
22. National Council on Radiation Protection and Measurements (NCRP), Report 38: Protection Against Neutron Radiation (National Council on Radiation Protection and Measurements, Washington, 1971).
23. J. S. Hendricks et al., "MCNPX, Version 2.5. c," LA-UR-03-2202, Los Alamos National Laboratory, Los Alamos, NM, 2003.
24. K. R. Kase et al., "Neutron fluence and energy spectra around the varian clinac 2100C/2300C Medical accelerator," Health Phys. 74, 38-47 (1998).
25. X. S. Mao et al., "Neutron sources in the varian clinac 2100C/2300C Medical Accelerator calculatred by the EGS4 Code," Health Phys. 72, 524-530 (1997).
26. M. Chadwick et al., "Cross-section evaluations to 150 MeV for accelerator-driven systems and implementation in MCNPX," Nucl. Sci. Eng. 131, 293-328 (1999).
27. M. C. White, "Class 'u' ACE Format-Photonuclear Data," X-5:MCW-00-86(U), Los Alamos National Laboratory, Los Alamos, NM (2000).
28. M. C. White, "Release of the LA150U Photonuclear Data Library," X-5:MCW-00-87(U), Los Alamos National Laboratory, Los Alamos, NM (2000).
29. M. C. White, "A brief primer for simulating photonuclear interactions with MCNP(X)," X-5:MCW-00-89(U), Los Alamos National Laboratory, Los Alamos, NM (2000).
30. M. C. White, "User interface for photonuclear physics in MCNP(X)," X-5:MCW-00-88(U) (revised), Los Alamos National Laboratory, Los Alamos, NM (2001).