Influence of initial electron beam parameters on Monte Carlo calculated absorbed dose distributions for radiotherapy photon beams

Medical Physics

Volumn 31, Issue 4, 2004, Pages 907-913

  Tzedakis, Antonis ^a   Damilakis, John E ^b   Mazonakis, Michael ^b   Stratakis, John ^b   Varveris, Haralambos ^b   Gourtsoyiannis, Nicholas ^b  

^a UNIVERSITY HOSPITAL OF HERAKLION   (Greece)

^b UNIVERSITY OF CRETE   (Greece)

Author keywords

Absorbed dose; BEAM code; Initial electron beam; Monte Carlo

Indexed keywords

ELECTRON BEAMS; LINEAR ACCELERATORS; PHOTOELECTRONS; PHOTONS;

ABSORBED DOSE; ABSORBED DOSE DISTRIBUTION; BEAM CODE; ELECTRON-BEAM PARAMETERS; ENERGY SPREADS; PHOTON BEAMS; RADIAL INTENSITY DISTRIBUTION; RADIATION SOURCE;

MONTE CARLO METHODS;

ARTICLE; DOSE CALCULATION; ELECTRON BEAM; LINEAR ACCELERATOR; MONTE CARLO METHOD; PHOTON; PRIORITY JOURNAL; RADIATION ABSORPTION; RADIATION DOSE;

EID: 1942420368     PISSN: 00942405     EISSN: None     Source Type: Journal    
DOI: 10.1118/1.1668551     Document Type: Article

References (26)

1. I. Kawrakow and M. Fippel, "Investigation of variance reduction techniques for Monte Carlo photon dose calculations using XVMC," Phys. Med. Biol. 45, 2163-2183 (2000).
2. H. Neuenschwander, T. R. Mackie, and P. J. Reckwerdt, "MMC a high-performance Monte Carlo code for electron beam treatment planning," Phys. Med. Biol. 40, 543-574 (1995).
3. C.-M. Ma, J. S. Li, T. Pawlicki, S. B. Jiang, and J. Deng, "MCDOSE-A Monte Carlo dose calculation tool for radiation therapy treatment planning," XIIIth International Conference on the Use of Computers in Radiation Therapy (Springer-Verlag, New York, 2000).
4. J. Sempau, S. J. Wilderman, and A. F. Bielajew, "DPM, a fast, accurate Monte Carlo code optimized for photon and electron radiotherapy treatment planning dose calculations," Phys. Med. Biol. 45, 2263-2291 (2000).
5. M. Fippel, "Fast Monte Carlo dose calculation for photon beams based on the VMC electron algorithm," Med. Phys. 26, 1466-1475 (1999).
6. C. L. Hartmann Siantar et al., "Lawrence Livermore National Laboratory's PEREGRINE Project," in Proceedings of the XIIth International Conference on the Use of Computers in Radiation Therapy, Salt Lake City, UT, edited by D. D. Leavitt and G. Starkschall (Medical Physics Publishing, Madison, WI, 1997), pp. 19-22.
7. P. J. Keall and P. W. Hoban, "Super-Monte Carlo: A 3D electron beam dose calculation algorithm," Med. Phys. 23, 2023-2034 (1996).
8. P. Björk, T. Knöös, and P. Nilsson, "Influence of initial electron beam characteristics on Monte Carlo calculated absorbed dose distributions for linear accelerator electron beams," Phys. Med. Biol. 47, 4019-4041 (2002).
9. D. Sheikh-Bagheri and D. W. O. Rogers, "Sensitivity of megavoltage photon beam Monte Carlo simulations to electron beam and other parameters, " Med. Phys. 29, 379-390 (2002).
10. P. J. Keall, J. V. Siebers, B. Libby, and R. Mohan, "Determining the incident electron fluence for Monte Carlo-based photon treatment planning using a standard measured data set," Med. Phys. 30, 574-582 (2003).
11. W. R. Nelson, H. Hirayama, and D. W. O. Rogers, The EGS4 Code System, Report SLAC-265, Stanford Linear Accelerator Center, Stanford, California, 1985.
12. D. W. O. Rogers, B. A. Faddegon, G. X. Ding, C.-M. Ma, J. We, and T. R. Mackie, "BEAM: A Monte Carlo code to simulate radiotherapy treatment units," Med. Phys. 22, 503-524 (1995).
13. D. Sheikh-Bagheri, D. W. O. Rogers, C. K. Ross, and J. P. Seuntjens, "Comparison of measured and Monte Carlo calculated dose distributions from the NRC linac," Med. Phys. 27, 2256-2266 (2000).
14. D. W. O. Rogers, C. M. Ma, G. X. Ding, B. Walters, D. Sheikh-Bagheri, and G. G. Zhang, BEAM98 Users Manual, NRC Report PIRS 509(a)revE, 2000.
15. C.-M. Ma, D. W. O. Rogers, and B. Walters, DOSXYZ99 Users Manual, NRC Report PIRS 509b(revD), 1999.
16. P. R. Almond, P. J. Biggs, B. M. Coursey, W. F. Hanson, M. S. Huq, R. Nath, and D. W. O. Rogers, "AAPM's TG-51 protocol for clinical reference dosimetry of high-energy photon and electron beams," Med. Phys. 26, 1847-1870 (1999).
17. IAEA, Absorbed dose determination in external beam radiotherapy: An international code of practice for dosimetry based on standards of absorbed dose to water, Technical Report Series Vol. 398 (IAEA, Vienna, 2001).
18. J. J. DeMarco, T. D. Solberg, and J. B. Smathers, "A CT-based Monte Carlo dosimetry tool for radiotherapy treatment planning and analysis," Med. Phys. 25, 1-11 (1998).
19. D. M. J. Lovelock, C. S. Chui, and R. Mohan, "A Monte Carlo model of photon beams used in radiation therapy," Med. Phys. 22, 1387-1394 (1995).
20. I. Chetty, J. J. DeMarco, and T. D. Solberg, "A virtual source model for Monte Carlo modelling of arbitrary intensity distributions," Med. Phys. 27, 166-172 (2000).
21. F. Haryanto, M. Fippel, W. Laub, O. Dohm, and F. Nüsslin, "Investigation of photon beam output factors for conformal radiation therapy-Monte Carlo simulations and measurements," Phys. Med. Biol. 47, N133-N143 (2002).
22. B. A. Faddegon, P. O'Brien, and D. L. D. Mason, "The flatness of Siemens linear accelerator x-ray fields," Med. Phys. 26, 220-228 (1999).
23. G. X. Ding, "Energy spectra, angular spread, fluence profiles and dose distributions of 6 and 18 MV photon beams: results of Monte Carlo simulations for a Varian 2100EX accelerator," Phys. Med. Biol. 47, 1025-1046 (2002).
24. C. L. Hartmann Siantar et al., "Description and dosimetric verification of the PEREGRINE Monte Carlo dose calculation system for photon beams incident on a water phantom," Med. Phys. 28, 1322-1337 (2001).
25. ICRU, International Commission on Radiation Units and Measurements Report No. 24, "Determination of absorbed dose in a patient irradiated by beams of X or gamma rays in radiotherapy procedures," ICRU, Bethesda, 1976.
26. ICRU, International Commission on Radiation Units and Measurements Report No. 44, "Tissue substitutes in radiation dosimetry and measurement," ICRU, Bethesda, 1988.