The influence of angular misalignment on fixed-portal intensity modulated radiation therapy

Medical Physics

Volumn 24, Issue 7, 1997, Pages 1123-1139

  Low, Daniel A ^a   Zhu, Xiao Rong ^a,c   Purdy, James A ^a   Söderström, Svante ^b  

^a WASHINGTON UNIVERSITY SCHOOL OF MEDICINE   (United States)

^b STOCKHOLM UNIVERSITY   (Sweden)

^c ST LUKE S MEDICAL CENTER   (United States)

Author keywords

Intensity modulated radiation therapy; Radiation therapy

Indexed keywords

ALIGNMENT; BIOMEDICAL ENGINEERING; MODULATION; RADIOTHERAPY;

ANGULAR MISALIGNMENT; ENERGY DEPENDENCE; FIRST-ORDER APPROXIMATIONS; INTENSITY MODULATED RADIATION THERAPY; MATHEMATICAL FORMS; MODULATED FIELD; MULTILEAF COLLIMATORS; ROTATIONAL ERRORS;

ERRORS;

ARTICLE; CANCER RADIOTHERAPY; COLLIMATOR; HUMAN; MATHEMATICAL ANALYSIS; PELVIS; PHOTON; PRIORITY JOURNAL; RADIATION DOSE DISTRIBUTION;

EID: 8544236963     PISSN: 00942405     EISSN: None     Source Type: Journal    
DOI: 10.1118/1.598015     Document Type: Article

References (38)

1. A. Brahme, "Optimization of stationary and moving beam radiation therapy techniques," Radiother. Oncol. 12, 129-140 (1988).
2. N H. Barth, "An inverse problem in radiation therapy," Int. J. Radiat. Oncol Biol Phys. 18, 425-431 (1990).
3. S. Webb, "Optimization of conformal radiotherapy dose distributions by simulated annealing: II. Inclusion of scatter in the 2D technique," Int. J Radiat. Oncol Biol. Phys. 36, 1227-1237 (1991).
4. S. Webb, "Optimization of conformal radiotherapy dose distributions by simulated annealing," Phys. Med. Biol. 34, 1349-1369 (1989).
5. T. H. Bortfeld, J. Bürkelback, R. Boesecke, and W. Schlegel, "Methods of image reconstruction from projections applied to conformation radiotherapy," Phys. Med. Biol. 35, 1423-1434 (1990).
6. T. Holmes, T. R. Mackie, D. Simpkin, and P. Reckwerdt, "A unified approach to the optimization of brachytherapy and external beam dosimetry," Int. J. Radiat. Oncol. Biol. Phys. 20, 859-873 (1991)
7. T. Holmes and T. R. Mackie, "A comparison of three inverse treatment planning algorithms," Phys. Med. Biol. 39, 91-106 (1994).
8. T. W. Holmes, T. R. Mackie, and P. Reckwerdt, "An interactive filtered backprojection inverse treatment planning algorithm for tomotherapy," Int. J. Radiat. Oncol. Biol. Phys. 32, 1215-1225 (1995).
9. P. Källman, B. Lind, A. Eklöf, and A. Brahme, "Shaping of arbitrary dose distributions by dynamic multileaf collimationm," Phys. Med. Biol. 33, 1291-1300 (1988).
10. P. Källman, B Lind, and A. Brahme, "An algorithm for maximizing the probability of complication-free tumor control in radiation therapy," Phys. Med. Biol. 37, 871-890 (1992).
11. R. Mohan, X. Wang, A. Jackson, T. Bortfeld, A. L. Boyer, G. J. Kutcher, S. A. Leibel, Z. Fuks, and C. C. Ling, "The potential and limitations of the inverse radiotherapy technique," Radiother. Oncol. 32, 232-248 (1994).
12. M P. Carol, W. H. Grant, A. R. Blier, A. A. Kanta, H. Targovnik, B. Butler, and S. Woo, "The field matching problem as it applies to the peacock three-dimensional conformal system for intensity modulation," Int. J. Radiat. Oncol. Biol. Phys. 34, 183-187 (1996)
13. 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).
14. J. Stein, T. Bortfeld, B. Dörschel, and W. Schlegel, "Dynamic x-ray compensation for conformal radiotherapy by means of multi-leaf collimauon," Radiother. Oncol. 32, 163-173 (1994).
15. A L. Boyer, G. E. Desobry, and N. H. Wells, "Potential and limitations of invariant kernel conformal therapy," Med. Phys. 18, 703-712 (1991).
16. S. Y. Woo, M. Sanders, W. Grant, and E. B. Butler, "Does the 'peacock' have anything to do with radiotherapy," Int. J. Radiat. Oncol. Biol Phys. 29, 213-214 (1994).
17. T. R. Mackie, T. Holmes, S. Swerdloff, P. Reckwerdt, J. O. Deasy, and J. Yang, "Tomotherapy: A new concept for the delivery of dynamic conformal radiotherapy," Med. Phys. 20, 1709-1719 (1993).
18. T. R. Bortfeld, D L Kahler, T. J. Waldron, and A. L. Boyer, "X-ray field compensation with multileaf collimators," Int J. Radiat. Oncol. Biol. Phys. 28, 723-730 (1994).
19. R. Svensson, P. Källman, and A. Brahme, "An analytical solution for the dynamic multileaf collimators," Phys. Med. Biol. 39, 37-61 (1994).
20. C. X. Yu, "Intensity-modulated arc therapy with dynamic multileaf collimation: An alternative to tomotherapy," Phys. Med. Biol. 40, 1435-1449 (1995).
21. C. X. Yu, "A method for implementing dynamic photon beam intensity modulation using independent jaws and a multileaf collimator," Phys. Med. Biol. 40, 769-787 (1995).
22. A. Gustafsson, B. K Lind, R Svensson, and A. Brahme, "Simultaneous optimization of dynamic multileaf collimation and scanning patterns or compensation filters using a generalized pencil beam algorithm," Med. Phys. 22, 1141-1156 (1995).
23. J. M. Galvin, X.-G. Chen, and R. M. Smith, "Combining multileaf fields to modulate fluence distributions," Int. J. Radiat. Oncol. Biol. Phys. 27, 697-705 (1993)
24. C. S. Chui, T. LoSasso, and S. Spirou, "Dose calculation for photon beams with intensity modulation generated by dynamic jaw or multileaf collimations," Med. Phys. 21, 1237-1244 (1994)
25. S V. Spirou and C. S Chui, "Generation of arbitrary intensity profiles by dynamic jaws or multileaf collimators," Med. Phys. 21, 1031-1041 (1994).
26. A. Djordjevich, D J. Bonham, and E M A. Hussein, "Optimal design of radiation compensators," Med. Phys. 17, 397-404 (1990).
27. B. K. Lind, "Properties of an algorithm for solving the inverse problem in radiation therapy," Inv. Prob. 6, 415-426 (1990).
28. A. Niemierko, M. Urie, and M. Goitein, "Optimization of 3D radiation therapy with both physical and biological end points and constraints," Int. J. Radiat. Oncol. Biol. Phys. 23, 99-108 (1992).
29. B. K. Lind, P. Källman, B. Sundelin, and A. Brahme, "Optimal radiation beam profiles considering uncertainties in beam patient alignment," Acta Oncol. 32, 331-342 (1993).
30. M. Goitein, "Calculation of the uncertainty in the dose delivered during radiation therapy," Med. Phys. 12, 608-612 (1985).
31. T. Bortfeld and W. Schlegel, "Optimization of beam orientations in radiation therapy: Some theoretical considerations," Phys. Med. Biol. 38, 291-304 (1993).
32. R. L. Siddon, "Solution to treatment planning problems using coordinate transformations," Med. Phys. 8, 766-774 (1981).
33. A. Gustafsson, B. K. Lind, and A. Brahme, "A generalized pencil beam algorithm for optimization of radiation therapy," Med. Phys. 21, 343-356 (1994).
34. A. K. Ågren, I. Turesson, and A. Brahme, "Optimization of uncomplicated control for head and neck tumors," Int. J. Radiat. Oncol. Biol. Phys. 19, 1077-1085 (1990).
35. P. Källman, A K. Ågren, and A. Brahme, "Tumor and normal tissue responses to fractionated non-uniform dose delivery," Int. J. Radiat Oncol. Biol Phys. 62, 249-262 (1992).
36. D. A. Jaffray, J. J. Battista, A. Fenster, and P. Monro, "X-ray sources of medical linear accelerators: Focal and extra-focal radiation," Med. Phys. 20, 1417-1427 (1993).
37. T. R. Mackie (private communication, 1996).
38. G. J. Kutcher, L. Cola, M. Gillin, W. F. Hanson, S. Leibel, R. J. Morton, J. R. Palta, J. A. Purdy, L. E. Reinstein, G. K. Svensson, M. Weller, and L. Wingfield, "Comprehensive QA for radiation oncology Report of AAPM radiation therapy task group 40." Med. Phys. 21, 581-619 (1994).