A virtual photon energy fluence model for Monte Carlo dose calculation

Medical Physics

Volumn 30, Issue 3, 2003, Pages 301-311

  Fippel, Matthias ^a   Haryanto, Freddy ^a   Dohm, Oliver ^a   Nüsslin, Fridtjof ^a   Kriesen, Stephan ^b  

^a UNIVERSITY HOSPITAL TÜBINGEN   (Germany)

^b UNIVERSITY OF ROSTOCK   (Germany)

Author keywords

Dose calculation; Monte Carlo; Photon beam modeling

Indexed keywords

BIOMEDICAL ENGINEERING; ELEMENTARY PARTICLE SOURCES; GAUSSIAN BEAMS; LINEAR ACCELERATORS; PARTICLE BEAMS; PATIENT TREATMENT; PHOTOELECTRONS; PHOTONS;

DOSE CALCULATION; ELECTRON CONTAMINATION; MONTE CARLO DOSE CALCULATION; MULTILEAF COLLIMATORS; PHOTON BEAMS; STANDARD DEVIATION; STANDARD MEASUREMENTS; VIRTUAL PHOTON ENERGY;

MONTE CARLO METHODS;

WATER;

AIR; ARTICLE; CALCULATION; DOSIMETRY; ELECTRON RADIATION; FILTER; GEOMETRY; LINEAR ACCELERATOR; MODEL; MONTE CARLO METHOD; NORMAL DISTRIBUTION; PHOTON; PRIORITY JOURNAL; RADIATION DOSE DISTRIBUTION; RADIATION ENERGY; RADIATION FIELD; SIMULATION; VIRTUAL REALITY;

EID: 0037340926     PISSN: 00942405     EISSN: None     Source Type: Journal    
DOI: 10.1118/1.1543152     Document Type: Article

References (42)

1. A. Ahnesjö and M. M. Aspradakis, "Dose calculations for external photon beams in radiotherapy," Phys. Med. Biol. 44, R99-R155 (1999).
2. W. R. Nelson, H. Hirayama, and D. W. O. Rogers, "The EGS4 Code System," SLAC Report No. SLAC-265, 1985.
3. J. S. Hendricks, "A Monte Carlo code for particle transport," Los Alamos Sci. 22, 30-43 (1994).
4. J. Sempau, E. Acosta, J. Baró, J. M. Fenández-Varea, and F. Salvat, "An algorithm for Monte Carlo simulation of coupled electron-photon showers," Nucl. Instrum. Methods Phys. Res. B 132, 377-390 (1997).
5. I. Kawrakow. "Accurate condensed history Monte Carlo simulation of electron transport, I. EGSnrc, the new EGS4 version," Med. Phys. 27, 485-498 (2000).
6. H. Neuenschwander and E. Born, "A macro Monte Carlo method for electron beam dose calculations," Phys. Med. Biol. 37, 107-125 (1992).
7. I. Kawrakow, M. Fippel, and K. Friedrich, "3D electron dose calculation using a voxel based Monte Carlo algorithm (VMC)," Med. Phys. 23, 445-457 (1996).
8. P. J. Keall and P. W. Hoban, "An accurate 3-D x-ray dose calculation method combining superposition and pre-generated Monte-Carlo electron track histories," Med. Phys. 23, 479-485 (1996).
9. L. Wang, C. S. Chui, and M. Lovelock, "A patient-specific Monte Carlo dose-calculation method for photon beams," Med, Phys. 25, 867-878 (1998).
10. M. Fippel, "Fast Monte Carlo dose calculation for photon beams based on the VMC electron algorithm," Med. Phys. 26, 1466-1475 (1999).
11. I. Kawrakow and M. Fippel, "Investigation of variance reduction techniques for Monte Carlo photon dose calculation using XVMC," Phys. Med. Biol. 45, 2163-2183 (2000).
12. 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).
13. J. S. Li, T. Pawlicki, J. Deng, S. B. Jiang, E. Mok, and C. M. Ma, "Validation of a Monte Carlo dose calculation tool for radiotherapy treatment planning," Phys. Med. Biol. 45, 2969-2985 (2000).
14. C. L. Hartmann Siantar, R. S. Walling, T. P. Daly, B. Faddegon, N. Albright, P. Bergstrom, C. Chuang, D. Garrett, R. K. House, D. Knapp, D. J. Wieczorek, and L. J. Verhey, "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).
15. 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).
16. D. W. O. Rogers, B. A. Faddegon, G. X. Ding, C. M. Ma, J. Wei, and T. R. Mackie, "BEAM: A Monte Carlo code to simulate radiotherapy treatment units," Med. Phys. 22, 503-524 (1995).
17. 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).
18. D. Sheikh-Bagheri and D. W. O. Rogers, "Monte Carlo calculation of nine megavoltage photon beam spectra using the BEAM code," Med. Phys. 29, 391-402 (2002).
19. G. X. Ding, "Energy spectra, angular spread, fluence profiles and dose distributions of 6 MV and 18 MV photon beams: Results of Monte Carlo simulations for a Varian 2100EX accelerator," Phys. Med. Biol. 47, 1025-1046 (2002).
20. C. M. Ma and S. B. Jiang, "Monte Carlo modelling of electron beams from medical accelerators," Phys. Med. Biol. 44, R157-R189 (1999).
21. J. Deng, S. B. Jiang, A. Kapur, J. Li, T. Pawlicki, and C. M. Ma, "Photon beam characterization and modelling for Monte Carlo treatment planning," Phys. Med. Biol. 45, 411-427 (2000).
22. A. E. Schach von Wittenau, P. M. Bergstrom, and L. J. Cox, "Patient-dependent beam-modifier physics in Monte Carlo photon dose calculations," Med. Phys. 27, 935-947 (2000).
23. M. K. Fix, M. Stampanoni, P. Manser, E. J. Bom, R. Mini, and P. Rüegsegger, "A multiple source model for 6 MV photon beam dose calculations using Monte Carlo," Phys. Med. Biol. 46, 1407-1427 (2001).
24. A. Ahnesjö T. Knöös, and A. Montelius, "Application of the convolution method for calculation of output factors for therapy photon beams," Med. Phys. 19, 295-301 (1992).
25. P. B. Dunscombe and J. M. Nieminen, "On the field-size dependence of relative output from a linear accelerator," Med. Phys. 19, 1441-1444 (1992).
26. A. Ahnesjö, "Analytic modeling of photon scatter from flattening filters in photon therapy beams," Med. Phys. 21, 1227-1235 (1994).
27. M. B. Sharpe, D. A. Jaffray, J. J. Battista, and P. Munro, "Extrafocal radiation: A unified approach to the prediction of beam penumbra and output factors for megavoltage x-ray beams," Med. Phys. 22, 2065-2074 (1995).
28. M. K. Yu and R. Sloboda, "Analytical representation of head scatter factors for shaped photon beams using a two-component x-ray source model," Med. Phys. 22, 2045-2055 (1995).
29. T. C. Zhu and B. E. Bjärngard, "The fraction of photons undergoing head scatter in x-ray beams," Phys. Med. Biol. 40, 1127-1134 (1995).
30. K. L. Lam, M. S. Muthuswamy, and R. K. Ten Haken, "Flattening-filter-based empirical methods to parametrize the head scatter factor," Med. Phys. 23, 343-352 (1996).
31. P. A. Jursinic. "Clinical implementation of a two-component x-ray source model for calculation of head-scatter factors," Med. Phys. 24, 2001-2007 (1997).
32. H. H. Liu, T. R. Mackie, and E. C. McCullough, "A dual source photon beam model used in convolution/superposition dose calculations for clinical megavoltage x-ray beams," Med. Phys. 24, 1960-1974 (1997).
33. H. H. Liu, T. R. Mackie, and E. C. McCullough, "Calculating output factors for photon beam radiotherapy using a convolution/superposition method based on a dual source photon beam model," Med. Phys. 24, 1975-1985 (1997).
34. T. C. Zhu, B. E. Bjärngard, Y. Xiao, and C. J. Yang, "Modeling the output ratio in air for megavoltage photon beams," Med. Phys. 28, 925-937 (2001).
35. Y. Yang, L. Xing, A. L. Boyer, Y. Song, and Y. Hu, "A three-source model for the calculation of head scatter factors," Med. Phys. 29, 2024-2033 (2002).
36. S. B. Jiang, A. L. Boyer, and C. M. Ma, "Modeling the extrafocal radiation and monitor chamber backscatter for photon beam dose calculation," Med. Phys. 28, 55-66 (2001).
37. W. H. Press, S. A. Teukolsky, W. T. Vetterling, and B. P. Flannery, Numerical Recipes in C (Cambridge University Press, Cambridge, 1992).
38. R. C. Tailor, V. M. Tello, C. B. Schroy, M. Vossler, and W, F. Hanson, "A generic off-axis energy correction for linac photon beam dosimetry," Med. Phys. 25, 662-667 (1998).
39. A. Ahnesjö, M. Saxner, and I. Thorslund, "Modelling of photon beam spectral variations," in XIII International Conference on the Use of Computers in Radiation Therapy (ICCR), Heidelberg, Germany, 2000.
40. M. J. Berger and J. H. Hubbell, "XCOM: Photon cross sections on a personal computer," Technical Report No. NBSIR 87-3597, National Institute of Standards and Technology Gaithersburg, MD, 1987.
41. I. Kawrakow and D. W. O. Rogers, "The EGSnrc code system: Monte Carlo simulation of electron and photon transport," NRCC Report No. PIRS-701, 2000.
42. 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).