Investigation of the reliability, accuracy, and efficiency of gated IMRT delivery with a commercial linear accelerator

Medical Physics

Volumn 34, Issue 7, 2007, Pages 2928-2938

  Ahunbay, Ergun ^a   Li, X Allen ^a  

^a MEDICAL COLLEGE OF WISCONSIN   (United States)

Author keywords

Dosimetry; IMRT; Respiratory gating; Treatment delivery time

Indexed keywords

COMPUTERIZED TOMOGRAPHY; DOSIMETRY; EFFICIENCY; LINEAR ACCELERATORS;

DELIVERY TIME; DOSIMETRY MEASUREMENT; IMRT; INTENSITY-MODULATED RADIATION THERAPY; INTERRUPTION FREQUENCIES; MULTILEAF COLLIMATORS; RESPIRATORY GATINGS; THREE-DIMENSIONAL CONFORMAL RADIOTHERAPY;

RADIOTHERAPY;

ACCURACY; ARTICLE; CLINICAL EFFECTIVENESS; COMPUTER ASSISTED RADIOTHERAPY; DIODE; DOSIMETRY; INTENSITY MODULATED RADIATION THERAPY; LINEAR ACCELERATOR; LINEAR SYSTEM; PRIORITY JOURNAL; RADIATION BEAM; RELIABILITY; THREE DIMENSIONAL IMAGING; TIME; X RAY FILM; CONFORMAL RADIOTHERAPY; HUMAN; MAGNETIC AND ELECTROMAGNETIC EQUIPMENT; RADIOTHERAPY DOSAGE; REPRODUCIBILITY;

HUMANS; PARTICLE ACCELERATORS; RADIOTHERAPY DOSAGE; RADIOTHERAPY, CONFORMAL; RADIOTHERAPY, INTENSITY-MODULATED; REPRODUCIBILITY OF RESULTS;

EID: 34347401026     PISSN: 00942405     EISSN: None     Source Type: Journal    
DOI: 10.1118/1.2740009     Document Type: Article

References (36)

1. K. E. Rosenzweig, E. Yorke, H. Amols, G. S. Mageras, P. Giraud, M. S. Katz, and S. A. Leibel, " Tumor motion control in the treatment of non small cell lung cancer., " Cancer Invest 23, 129-133 (2005).
2. R. C. Frazier, " Impact of breathing motion on whole breast radiotherapy: A dosimetric analysis using active breathing control., " Int. J. Radiat. Oncol., Biol., Phys. 58, 1041-1047 (2004).
3. J. Mechalakos, " Dosimetric effect of respiratory motion in external beam radiotherapy of the lung., " Radiother. Oncol. 71, 191-200 (2004).
4. T. Bortfeld, S. B. Jiang, and E. Rietzel, " Effects of motion on the total dose distribution., " Semin. Radiat. Oncol. 14, 41-51 (2004).
5. P. J. Keall, V. R. Kini, S. S. Vedam, and R. Mohan, " Potential radiotherapy improvements with respiratory gating., " Australas. Phys. Eng. Sci. Med. 25, 1-6 (2002).
6. H. D. Kubo and B. C. Hill, " Respiration gated radiotherapy treatment: A technical study., " Phys. Med. Biol. 41, 83-91 (1996).
7. A. M. Berson, R. Emery, L. Rodriguez, G. M. Richards, T. Ng, S. Sanghavi, and J. Barsa, " Clinical experience using respiratory gated radiation therapy: Comparison of free-breathing and breath-hold techniques., " Int. J. Radiat. Oncol., Biol., Phys. 60, 419-426 (2004).
8. H. Liu, " Clinical Implementation of IMRT for lung cancers., " Med. Phys. 32, 2102 (abs) (2005).
9. M. Schwarz, " Dose heterogeneity in the target volume and IMRT to escalate the dose in the treatment of non-small cell lung cancer., " Int. J. Radiat. Oncol., Biol., Phys. 62, 561-570 (2005).
10. I. S. Grills, " Potential for reduced toxicity and dose escalation in the treatment of inoperable nonsmall-cell lung cancer: A comparison of intensity-modulated radiation therapy (IMRT), 3D conformal radiation, and elective nodal irradiation., " Int. J. Radiat. Oncol., Biol., Phys. 57, 875-890 (2003).
11. H. H. Liu, " Feasibility of sparing lung and other thoracic structures with intensity-modulated radiotherapy for nonsmall-cell lung cancer., " Int. J. Radiat. Oncol., Biol., Phys. 58, 1268-1279 (2004).
12. O. Chapet, " Esophagus sparing with IMRT in lung tumor irradiation: An EUD-based optimization technique., " Int. J. Radiat. Oncol., Biol., Phys. 63, 179-187 (2005).
13. H. Murshed, " Dose and volume reduction for normal lung using intensity-modulated radiotherapy for advanced-stage nonsmall-cell lung cancer., " Int. J. Radiat. Oncol., Biol., Phys. 58, 1258-1267 (2004).
14. C. Hurkmans, " Reduction of cardiac and lung complication probabilities after breast irradiation using conformal radiotherapy with or without intensity modulation., " Radiother. Oncol. 62, 163-171 (2002).
15. X. Qi, Q. Yang, D. Wang, and X. Li, " Radiobiological concerns on prolonged IMRT delivery for head-and-neck carcinoma., " Med. Phys. 33, 2274 (abs) (2006).
16. J. Z. Wang, X. A. Li, W. D. D'Souza, and R. D. Stewart, " Impact of prolonged fraction delivery times on tumor control: A note of caution for intensity-modulated radiation therapy (IMRT)., " Int. J. Radiat. Oncol., Biol., Phys. 57, 543-552 (2003).
17. N. Mogili, M. Joiner, and J. Burmeister, " Effects of IMRT treatment time prolongation on tumor cell survival., " Med. Phys. 33, 2294 (abs) (2006).
18. C. R. Ramsey, I. L. Cordrey, and A. L. Oliver, " A comparison of beam characteristics for gated and nongated clinical x-ray beams., " Med. Phys. 26, 2086-2091 (1999).
19. H. D. Kubo and L. Wang, " Compatibility of varian 2100C gated operations with enhanced dynamic wedge and IMRT dose delivery., " Med. Phys. 27, 1732-1738 (2000).
20. G. D. Hugo, N. Agazaryan, and T. D. Solberg, " An evaluation of gating window size, delivery method, and composite field dosimetry of respiratory-gated IMRT., " Med. Phys. 29, 2516-2525 (2002).
21. G. D. Hugo, N. Agazaryan, and T. D. Solberg, " The effects of tumor motion on planning and delivery of respiratory-gated IMRT., " Med. Phys. 30, 1052-1066 (2003).
22. J. Duan, " Dosimetric effect of respiration-gated beam on IMRT delivery., " Med. Phys. 30, 2241-2252 (2003).
23. X. A. Li, C. Stepaniak, and E. Gore, " Technical and dosimetric aspects of respiratory gating using a pressure-sensor motion monitoring system., " Med. Phys. 33, 145-154 (2006).
24. D. M. Shephard, " Direct aperture optimization: A turnkey solution for step-and-shoot IMRT., " Med. Phys. 29, 1007-1018 (2002).
25. R. Nath, P. J. Biggs, F. J. Bova, C. C. Ling, J. A. Purdy, J. Geijn, and M. S. Weinhous, " AAPM code of practice for radiotherapy accelerators: Report of AAPM radiation therapy task group No. 45., " Med. Phys. 21, 1093-1121 (1994).
26. C. W. Cheng, I. J. Das, and A. M. Ndlovu, " Suppression of dark current radiation in step-and-shoot intensity modulated radiation therapy by the initial pulse-forming network., " Med. Phys. 29, 1974-1979 (2002).
27. P. J. Keall, " The management of respiratory motion in radiation therapy: Report of AAPM task group No. 76., " Med. Phys. 33, 3874-3900 (2006).
28. D. A. Low, W. B. Harms, S. Mutic, and J. A. Purdy, " A technique for the quantitative evaluation of dose distributions., " Med. Phys. 25, 656-661 (1998).
29. P. A. Jursinic and B. E. Nelms, " A 2-D diode array and analysis software for verification of intensity modulated radiation therapy delivery., " Med. Phys. 30, 870-879 (2003).
30. A. Bharatha, " Evaluation of three-dimensional finite element-based deformable registration of pre- and intraoperative prostate imaging., " Med. Phys. 28, 2551-2560 (2001).
31. A. P. Zijdenbos, " Morphometric analysis of white matter lesions in MR images: Method and validation., " IEEE Trans. Med. Imaging 13, 716-724 (1994).
32. P. Jursinic, K. Kainz, E. Ahunbay, and K. Albano, " Use of a 2D array of diodes to test the accuracy of MLC leaf position and gap width., " Med. Phys. 33, 2147 (abs) (2006).
33. X. R. Zhu, M. T. Gillin, P. A. Jursinic, F. Lopez, D. F. Grimm, and J. J. Rownd, " Comparison of dosimetric characteristics of Siemens virtual and physical wedges., " Med. Phys. 27, 2267-2277 (2000).
34. S. Kriminski, A. N. Li, and T. D. Solberg, " Dosimetric characteristics of a new linear accelerator under gated operation., " J. Appl. Clin. Med. Phys. 7, 65-76 (2006).
35. R. Gopal, " The relationship between local dose and loss of function for irradiated lung., " Int. J. Radiat. Oncol., Biol., Phys. 56, 106-113 (2003).
36. S. Wang, " Analysis of clinical and dosimetric factors associated with treatment-related pneumonitis (TRP) in patients with nonsmall cell lung cancer (NSCLC) treated with concurrent chemotherapy and three-dimensional conformal radiotherapy (3D-CRT)., " Int. J. Radiat. Oncol., Biol., Phys. 66, 1399-1407 (2006).