Tolerances on MLC leaf position accuracy for IMRT delivery with a dynamic MLC

Medical Physics

Volumn 36, Issue 7, 2009, Pages 3304-3309

  Rangel, Alejandra ^a,b   Dunscombe, Peter ^a,b  

^a TOM BAKER CANCER CENTRE   (Canada)

^b UNIVERSITY OF CALGARY   (Canada)

Author keywords

Equivalent uniform dose; Intensity modulated radiation therapy; Multileaf collimator; Performance standards; Quality control

Indexed keywords

BIOMEDICAL ENGINEERING; DOSIMETRY; NORMAL DISTRIBUTION; QUALITY CONTROL; RADIOTHERAPY; SYSTEMATIC ERRORS;

CLINICAL TARGET VOLUMES; DOSIMETRIC IMPACT; EQUIVALENT UNIFORM DOSE; HEAD AND NECK IMRT; INTENSITY MODULATED RADIATION THERAPY; MULTILEAF COLLIMATORS; PERFORMANCE STANDARDS; SIMULATION STUDIES;

RANDOM ERRORS;

ACCURACY; ARTICLE; BRAIN STEM; COLLIMATOR; DOSIMETRY; EQUIPMENT; EQUIPMENT DESIGN; HUMAN; HUMAN TISSUE; INTENSITY MODULATED RADIATION THERAPY; LARYNX; MATHEMATICAL COMPUTING; MULTILEAF COLLIMATOR; PAROTID GLAND; PRIORITY JOURNAL; PROSTATE; QUALITY CONTROL; QUANTITATIVE ANALYSIS; RANDOM ERROR; RISK ASSESSMENT; SIMULATION; SPINAL CORD;

EID: 67649595525     PISSN: 00942405     EISSN: None     Source Type: Journal    
DOI: 10.1118/1.3134244     Document Type: Article

References (28)

1. T. LoSasso, C. S. Chui, and C. C. Ling, " Comprehensive quality assurance for the delivery of intensity modulated radiotherapy with a multileaf collimator used in the dynamic mode.," Med. Phys. 0094-2405 28, 2209-2219 (2001). 10.1118/1.1410123
2. T. LoSasso, C. S. Chui, and C. C. Ling, " Physical and dosimetric aspects of a multileaf collimation system used in the dynamic mode for implementing intensity modulated radiotherapy.," Med. Phys. 0094-2405 25, 1919-1927 (1998). 10.1118/1.598381
3. C. S. Chui, S. Spirou, and T. LoSasso, " Testing of dynamic multileaf collimation.," Med. Phys. 0094-2405 23, 635-641 (1996). 10.1118/1.597699
4. AAPM Radiation Therapy Committee Task Group 50, Report No. 72, " Basic applications of multileaf collimators.," Medical Physics Publishing, 2001.
5. J. E. Bayouth, D. Wendt, and S. M. Morrill, " MLC quality assurance techniques for IMRT applications.," Med. Phys. 0094-2405 30, 743-750 (2003). 10.1118/1.1564091
6. S. J. Baker, G. J. Budgell, and R. I. Mackay, " Use of an amorphous silicon electronic portal imaging device for multileaf collimator quality control and calibration.," Phys. Med. Biol. 0031-9155 50, 1377-1392 (2005). 10.1088/0031-9155/50/7/003
7. M. Mohammadi and E. Bezak, " Evaluation of MLC leaf positioning using a scanning liquid ionization chamber EPID.," Phys. Med. Biol. 0031-9155 52, N21-N33 (2007). 10.1088/0031-9155/52/1/N03
8. M. Mamalui-Hunter, H. Li, and D. A. Low, " MLC quality assurance using EPID: A fitting technique with subpixel precision.," Med. Phys. 0094-2405 35, 2347-2355 (2008). 10.1118/1.2919560
9. G. Mu, E. Ludlum, and P. Xia, " Impact of MLC leaf position errors on simple and complex IMRT plans for head and neck cancer.," Phys. Med. Biol. 0031-9155 53, 77-88 (2008). 10.1088/0031-9155/53/1/005
10. P. Xia, C. F. Chuang, and L. J. Verhey, " Communication and sampling rate limitations in IMRT delivery with a dynamic multileaf collimator system.," Med. Phys. 0094-2405 29, 412-423 (2002). 10.1118/1.1449496
11. G. J. Budgell, J. H. Mott, P. C. Williams, and K. J. Brown, " Requirements for leaf position accuracy for dynamic multileaf collimation.," Phys. Med. Biol. 0031-9155 45, 1211-1227 (2000). 10.1088/0031-9155/45/5/310
12. M. N. Graves, A. V. Thompson, M. K. Martel, D. L. McShan, and B. A. Fraass, " Calibration and quality assurance for rounded leaf-end MLC systems.," Med. Phys. 0094-2405 28, 2227-2233 (2001). 10.1118/1.1413517
13. A. Niemierko, " Reporting and analyzing dose distributions: A concept of equivalent uniform dose.," Med. Phys. 0094-2405 24, 103-110 (1997). 10.1118/1.598063
14. A. Niemierko, " A generalized concept of equivalent uniform dose.," Med. Phys. 0094-2405 26, 1100 (1999).
15. G. J. Kutcher, L. Coia, 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 Committee Task Group 40.," Med. Phys. 0094-2405 21, 581-618 (1994). 10.1118/1.597316
16. N. Ploquin, W. Song, H. Lau, and P. Dunscombe, " Intensity modulated radiation therapy for oropharyngeal cancer: The sensitivity of plan objectives and constraints to set-up uncertainty.," Phys. Med. Biol. 0031-9155 50, 3515-3533 (2005). 10.1088/0031-9155/50/15/003
17. A. Rangel, N. Ploquin, I. Kay, and P. Dunscombe, " Towards an objective evaluation of tolerances for beam modeling in a treatment planning system.," Phys. Med. Biol. 0031-9155 52, 6011-6025 (2007). 10.1088/0031-9155/52/19/020
18. A. Rangel, N. Ploquin, I. Kay, and P. Dunscombe, " Evaluation of linear accelerator performance standards using an outcome oriented approach.," Med. Phys. 0094-2405 35, 2513-2518 (2008). 10.1118/1.2921833
19. C. Burman, G. J. Kutcher, B. Emami, and M. Goitein, " Fitting of normal tissue tolerance data to an analytic function.," Int. J. Radiat. Oncol., Biol., Phys. 0360-3016 21, 123-135 (1991).
20. B. Emami, J. Lyman, A. Brown, L. Coia, M. Goitein, J. E. Munzenrider, B. Shank, L. J. Solin, and M. Wesson, " Tolerance of normal tissue to therapeutic irradiation.," Int. J. Radiat. Oncol., Biol., Phys. 0360-3016 21, 109-122 (1991).
21. D. Djajaputra and Q. Wu, " On relating the generalized equivalent uniform dose formalism to the linear-quadratic model.," Med. Phys. 0094-2405 33, 4481-4489 (2006). 10.1118/1.2369469
22. J. Z. Wang, X. A. Li, C. X. Yu, and S. J. Dibiase, " The low alpha/beta ratio for prostate cancer: What does the clinical outcome of HDR brachytherapy tell us?," Int. J. Radiat. Oncol., Biol., Phys. 0360-3016 57, 1101-1108 (2003). 10.1016/S0360-3016(03)00747-8
23. J. Z. Wang, M. Guerrero, and X. A. Li, " How low is the alpha/beta ratio for prostate cancer?," Int. J. Radiat. Oncol., Biol., Phys. 0360-3016 55, 194-203 (2003). 10.1016/S0360-3016(02)03828-2
24. R. Chappell, D. M. Nondahl, M. Rezvani, and J. F. Fowler, " Further analysis of radiobiological parameters from the First and Second British Institute of Radiology randomized studies of larynx/pharynx radiotherapy.," Int. J. Radiat. Oncol., Biol., Phys. 0360-3016 33, 509-518 (1995). 10.1016/0360-3016(95)00133-J
25. W. Luo, J. Li, R. A. Price, Jr., L. Chen, J. Yang, J. Fan, Z. Chen, S. McNeeley, X. Xu, and C. M. Ma, " Monte Carlo based IMRT dose verification using MLC log files and R/V outputs.," Med. Phys. 0094-2405 33, 2557-2564 (2006). 10.1118/1.2208916
26. J. Palta and S. Kim, " TH-A-T-6E-01: How do we decide on tolerance limits for IMRT quality assurance?," Med. Phys. 0094-2405 32, 2149 (2005). 10.1118/1.1999749
27. K. Breitman, S. Rathee, C. Newcomb, B. Murray, D. Robinson, C. Field, H. Warkentin, S. Connors, M. Mackenzie, P. Dunscombe, and G. Fallone, " Experimental validation of the Eclipse AAA algorithm.," J. Appl. Clin. Med. Phys. 8, 76-92 (2007).
28. A. Fogliata, G. Nicolini, E. Vanetti, A. Clivio, and L. Cozzi, " Dosimetric validation of the anisotropic analytical algorithm for photon dose calculation: Fundamental characterization in water.," Phys. Med. Biol. 51, 1421-1438 (2006). 10.1088/0031-9155/51/6/004