Beam modeling and VMAT performance with the Agility 160-leaf multileaf collimator

Journal of Applied Clinical Medical Physics

Volumn 14, Issue 2, 2013, Pages 172-185

  Bedford, James L ^a   Thomas, Michael D R ^a   Smyth, Gregory ^a  

^a INSTITUTE OF CANCER RESEARCH   (United Kingdom)

Author keywords

Dose calculation; Multileaf collimator; Treatment planning system; Volumetric modulated arc therapy

Indexed keywords

EID: 84874991150     PISSN: None     EISSN: 15269914     Source Type: Journal    
DOI: 10.1120/jacmp.v14i2.4136     Document Type: Article

References (17)

1. Cosgrove VP, Thomas MDR, Weston SJ, et al. Physical characterization of a new concept design of an Elekta radiation head with integrated 160-leaf multi-leaf collimator [abstract]. Int J Radiat Oncol Biol Phys. 2009;75(3 Suppl):S722-S723.
2. Bedford JL and Warrington AP. Commissioning of volumetric modulated arc therapy (VMAT). Int J Radiat Oncol Biol Phys. 2009;73(2):537-45.
3. Smyth G, Bedford J, Hansen V, Wai P, Warrington A. Can single arc SmartArc VMAT replace DMPO-IMRT for complex targets [abstract]. Radiother Oncol. 2011;99:S491-S492.
4. Bedford JL, Thomas MDR, Smyth G, Warrington AP. A Pinnacle beam model for the Agility 160-leaf multileaf collimator [abstract]. Radiother Oncol. 2012;103:S326.
5. Starkschall G, Steadham RE, Popple RA, Ahmad S, Rosen II. Beam-commissioning methodology for a three-dimensional convolution/superposition photon dose algorithm. J Appl Clin Med Phys. 2000;1(1):8-27.
6. Nutting CM, Morden JP, Harrington KJ, et al. Parotid-sparing intensity modulated versus conventional radiotherapy in head and neck cancer (PARSPORT): a phase 3 multicentre randomised controlled trial. Lancet Oncol. 2011;12(2):127-36.
7. Bedford JL, Lee YK, Wai P, South CP, Warrington AP. Evaluation of the Delta4 phantom for IMRT and VMAT verification. Phys Med Biol. 2009;54(9):N167-N176.
8. Webster GJ, Rowbottom CG, Mackay RI. Development of an optimum photon beam model for head-and-neck intensity-modulated radiotherapy. J Appl Clin Med Phys. 2007;8(4):129-38.
9. Patel I, Glendinning AG, Kirby MC. Dosimetric characteristics of the Elekta Beam Modulator. Phys Med Biol. 2005;50(23):5479-92.
10. Balog JP, Mackie TR, Wenman DL, Glass M, Fang G, Pearson D. Multileaf collimator interleaf transmission. Med Phys. 1999;26(2):176-86.
11. Bedford JL, Childs PJ, Nordmark Hansen V, Mosleh-Shirazi MA, Verhaegen F, Warrington AP. Commissioning and quality assurance of the Pinnacle3 radiotherapy treatment planning system for external beam photons. Br J Radiol. 2003;76:163-76.
12. Bedford JL, Childs PJ, Warrington AP. Verification of inverse planning and treatment delivery for segmental IMRT. J Appl Clin Med Phys. 2004;5(2):1-17.
13. Topolnjak R, van der Heide UA, Meijer GJ, van Asselen B, Raaijmakers CPJ, Lagendijk JJW. Influence of the linac design on intensity-modulated radiotherapy of head-and-neck plans. Phys Med Biol. 2007;52(1):169-82.
14. Zwicker F, Hauswald H, Nill S, et al. New multileaf collimator with a leaf width of 5 mm improves plan quality compared to 10 mm in step-and-shoot IMRT of HNC using integrated boost procedure. Strahlenther Onkol. 2010;186(6):334-43.
15. Bertelsen A, Lorenzen EL, Brink C. Validation of a new control system for Elekta accelerators facilitating continuously variable dose rate. Med Phys. 2011;38(8):4802-10.
16. Cao D and Shepard D. The impact of continuous variable dose rate (CVDR) on VMAT plan quality, delivery efficiency and accuracy [abstract]. Med Phys. 2011;38:3380-1.
17. ICRU. Prescribing, recording and reporting photon-beam intensity-modulated radiation therapy (IMRT). Appendix A: Physical aspects of IMRT. ICRU Report 83. J ICRU. 2010;10(1):61-82.