Generation of arbitrary intensity profiles by combining the scanning beam with dynamic multileaf collimation

Medical Physics

Volumn 23, Issue 1, 1996, Pages 1-8

  Spirou, Spiridon V ^a   Chui, Chen Shou ^a  

^a MEMORIAL SLOAN KETTERING CANCER CENTER   (United States)

Author keywords

dynamic collimation; intensity modulation; multileaf collimators; scanning beam

Indexed keywords

PIECEWISE LINEAR TECHNIQUES; SCANNING;

DYNAMIC COLLIMATION; DYNAMIC MULTILEAF COLLIMATION; ELEMENTARY BEAMS; INTENSITY MODULATIONS; INTENSITY PROFILES; MULTILEAF COLLIMATORS; PIECEWISE LINEAR; SCANNING BEAMS;

ITERATIVE METHODS;

ALGORITHM; ARTICLE; BEAM THERAPY; COLLIMATOR; ELECTRON BEAM; LINEAR ACCELERATOR; PHOTON; PRIORITY JOURNAL; RADIATION FIELD; RADIATION SCATTERING; TREATMENT PLANNING;

EID: 0030026099     PISSN: 00942405     EISSN: None     Source Type: Journal    
DOI: 10.1118/1.597672     Document Type: Article

References (30)

1. T. Bortfeld, J. Bürkelbach, R. Boesecke, and W. Schlegel, "Methods of image reconstruction from projections applied to conformation radiotherapy," Phys. Med. Biol. 35, 1423-1434 (1990).
2. T. Bortfeld and W. Schlegel, "Optimization of beam orientations in radiation therapy: some theoretical considerations," Phys. Med. Biol. 38, 291-304 (1993).
3. A. Brahme, "Optimization of stationary and moving beam radiation therapy techniques," Radiother. Oncol. 12, 129-140 (1988).
4. A. Gustafsson, B. K. Lind, and A. Brahme, "A generalized pencil beam algorithm for optimization of radiation therapy," Med. Phys. 21, 343-356 (1994).
5. T. Holmes, T. R. Mackie, D. Simpkin, and P. Reckwerdt, "A unified approach to the optimization of brachytherapy and external beam dosimetry," Int. J. Rad. Oncol. Biol. Phys. 20, 859-873 (1991).
6. P. Källman, B. Lind, and A. Brahme, "An algorithm for maximizing the probability of complication-free tumour control in radiation therapy," Phys. Med. Biol 37, 871-90 (1992)
7. B. K. Lind and P. Kallman, "Experimental verification of an algorithm for inverse radiation therapy planning," Radiother. Oncol. 17, 359-68 (1990).
8. R. Mohan, G. Barest, L. Brewster, C. Chui, G. Kutcher, J. Laughlin, and Z. Fuks, "A comprehensive three-dimensional radiation treatment planning system," Int J. Rad. Oncol. Biol. Phys. 15, 481-495 (1988).
9. D. Powlis, M. D. Altschuler, Y. Censor, and E. L. Buhle,"Semi-automated radiotherapy treatment planning with a mathematical model to satisfy treatment goals," Int. J. Rad. Oncol. Biol. Phys. 16, 271-276 (1989).
10. I. I. Rosen, R. G. Lane, S. M. Morill, and J. A. Belli, "Treatment plan optimization using linear programming," Med. Phys. 18, 141-152 (1991).
11. G. Starkschall, "A constrained least-squares optimization method for external beam radiation therapy treatment planning," Med. Phys. 11, 659-665 (1984).
12. S. Webb, "Optimization of conformal radiotherapy dose distributions by simulated annealing," Phys. Med. Biol. 34, 1349-1370 (1989); "Optimization of conformal radiotherapy dose distributions by simulated annealing: H. Inclusion of scatter in the 2D technique," Phys. Med. Biol. 36, 1227-37 (1991). "Optimization by simulated annealing of three-dimensional conformal treatment planning for radiation fields defined by a multileaf collimator," ibid. 36, 1201-1226 (1991); "Optimization by simulated annealing of three-dimensional conformal treatment planning for radiation fields defined by a multileaf collimator: II inclusion of two-dimensional modulation of the x-ray intensity." ibid. 37, 1689-1704 (1992); The Physics of Three-dimensional Radiation Therapy (IOP, London, 1993).
13. S. Webb, "Optimization of conformal radiotherapy dose distributions by simulated annealing," Phys. Med. Biol. 34, 1349-1370 (1989); "Optimization of conformal radiotherapy dose distributions by simulated annealing: H. Inclusion of scatter in the 2D technique," Phys. Med. Biol. 36, 1227-37 (1991). "Optimization by simulated annealing of three-dimensional conformal treatment planning for radiation fields defined by a multileaf collimator," ibid. 36, 1201-1226 (1991); "Optimization by simulated annealing of three-dimensional conformal treatment planning for radiation fields defined by a multileaf collimator: II inclusion of two-dimensional modulation of the x-ray intensity." ibid. 37, 1689-1704 (1992); The Physics of Three-dimensional Radiation Therapy (IOP, London, 1993).
14. S. Webb, "Optimization of conformal radiotherapy dose distributions by simulated annealing," Phys. Med. Biol. 34, 1349-1370 (1989); "Optimization of conformal radiotherapy dose distributions by simulated annealing: H. Inclusion of scatter in the 2D technique," Phys. Med. Biol. 36, 1227-37 (1991). "Optimization by simulated annealing of three-dimensional conformal treatment planning for radiation fields defined by a multileaf collimator," ibid. 36, 1201-1226 (1991); "Optimization by simulated annealing of three-dimensional conformal treatment planning for radiation fields defined by a multileaf collimator: II inclusion of two-dimensional modulation of the x-ray intensity." ibid. 37, 1689-1704 (1992); The Physics of Three-dimensional Radiation Therapy (IOP, London, 1993).
15. S. Webb, "Optimization of conformal radiotherapy dose distributions by simulated annealing," Phys. Med. Biol. 34, 1349-1370 (1989); "Optimization of conformal radiotherapy dose distributions by simulated annealing: H. Inclusion of scatter in the 2D technique," Phys. Med. Biol. 36, 1227-37 (1991). "Optimization by simulated annealing of three-dimensional conformal treatment planning for radiation fields defined by a multileaf collimator," ibid. 36, 1201-1226 (1991); "Optimization by simulated annealing of three-dimensional conformal treatment planning for radiation fields defined by a multileaf collimator: II inclusion of two-dimensional modulation of the x-ray intensity." ibid. 37, 1689-1704 (1992); The Physics of Three-dimensional Radiation Therapy (IOP, London, 1993).
16. S. Webb, "Optimization of conformal radiotherapy dose distributions by simulated annealing," Phys. Med. Biol. 34, 1349-1370 (1989); "Optimization of conformal radiotherapy dose distributions by simulated annealing: H. Inclusion of scatter in the 2D technique," Phys. Med. Biol. 36, 1227-37 (1991). "Optimization by simulated annealing of three-dimensional conformal treatment planning for radiation fields defined by a multileaf collimator," ibid. 36, 1201-1226 (1991); "Optimization by simulated annealing of three-dimensional conformal treatment planning for radiation fields defined by a multileaf collimator: II inclusion of two-dimensional modulation of the x-ray intensity." ibid. 37, 1689-1704 (1992); The Physics of Three-dimensional Radiation Therapy (IOP, London, 1993).
17. B. Bjärngard and P. Kijewski, "The potential of computer control to improve dose distributions in radiation therapy," in Proc. 5th Int. Conf. on the Use of Computers in Radiation Therapy, edited by E. S. Sternick (The University Press of New England, Hanover, NH, 1976), pp. 110-124.
18. P. K. Kijewski, L. M. Chin and B. E. Bjärngard, "Wedge-shaped dose distributions by dynamic multileaf collimation," Med. Phys. 5, 426-429 (1978).
19. M. B. Levene, P. K. Kijewski, L. M. Chin, B. E. Bjärngard, and S. Hellman, "Computer-controlled radiation therapy," Radiology 129, 769-775 (1978).
20. D. D. Leavitt, M. Martin, J. H. Moeller, and W. L. Lee, "Dynamic wedge field techniques through computer-controlled collimator motion and dose delivery," Med. Phys. 17, 87-91 (1990).
21. P. Källman, B. Lind, A. Eklof, and A. Brahme, "Shaping of arbitrary dose distributions by dynamic multileaf collimation," Phys. Med. Biol. 33, 1291-1300 (1988).
22. D. J. Convery and M. E. Rosenbloom, "The generation of intensity-modulated fields for conformal radiotherapy by dynamic collimation," Phys. Med. Biol. 37, 1359-1374 (1992)
23. S. Spirou and C. S. Chui, "Generation of arbitrary intensity profiles by dynamic jaws or multileaf collimators," Med. Phys. 21, 1031-1041 (1994).
24. J. Stein, T. Bortfeld, B. Dörschel, and W. Schlegel, "Dynamic X-ray compensation for conformal radiotherapy by means of multi-leaf collimation," Radiother. Oncol. 32, 163-173 (1994).
25. R. Svensson, P. Källman, and A. Brahme, "An analytical solution for the dynamic control of multileaf collimators," Phys. Med. Biol. 39, 37-61 (1994).
26. M. Karlsson, H. Nyström, and H. Svansson, "Electron beam characteristics of the 50-MeV racetrack microtron," Med. Phys. 19, 307-315 (1992).
27. M. Karlsson, H. Nyström, and H. Svansson, "Photon beam characteristics on the MM50 racetrack microtron and a new approach for beam quality determination," Med. Phys. 20, 143-149 (1993).
28. A. Brahme, "Design principles and clinical possibilities with a new generation of radiation therapy equipment: A review," Acta Oncol. 26, 403-412 (1987), Fasc. 6.
29. B. K. Lind and A. Brahme, "Optimization of radiation therapy dose distributions using scanned electron and photon beams and multileaf collimators," in The Use of Computers in Radiation Therapy, Proceeding of the 9th International Conference on Computers in Radiation Therapy, edited by I. A. D. Bruinvis et al. (Elsevier, North-Holland, 1987), pp. 235-239.
30. E. P. Lief, J. L. Humm, A. Larsson, and G. J. Kutcher, "Electron beam penumbra shaping using a scanning elementary beam," Med. Phys. 21, 946 (1994).