Improved peripheral dose calculation accuracy for a small MLC field brought by the latest commercial treatment planning system

Journal of Radiotherapy in Practice

Volumn 5, Issue 2, 2006, Pages 121-128

  Chow, James C L ^a,b   Grigorov, G N ^c   Jiang, R ^b,c  

^a PRINCESS MARGARET HOSPITAL   (Canada)

^b UNIVERSITY OF WATERLOO   (Canada)

^c GRAND RIVER HOSPITAL   (Canada)

Author keywords

Intensity modulated radiotherapy; Multi leaf collimator; Treatment planning software commissioning and dosimetry

Indexed keywords

WATER;

ACCURACY; ARTICLE; COLLIMATOR; COMPUTER PROGRAM; CONTROLLED STUDY; DIODE; DOSIMETRY; EXPERIMENTAL DESIGN; INTERMETHOD COMPARISON; LINEAR ACCELERATOR; LONGITUDINAL STUDY; PHOTON; RADIATION DEPTH DOSE; RADIATION FIELD; RADIATION PHYSICS; TANK; TREATMENT PLANNING;

EID: 33744899892     PISSN: 14603969     EISSN: 14671131     Source Type: Journal    
DOI: 10.1017/S1460396906000161     Document Type: Article

References (19)

1. Boyer A, Biggs P, Galvin J, Klein E, LoSasso T, Low D, Mah K, Yu C. Basic applications of multileaf collimators. Report of the AAPM Radiation Therapy Committee Task Group No. 50 Medical Physics, 2001.
2. Bar W, Alber M, Nusslin F. A variable fluence step clustering and segmentation algorithm for step and shoot IMRT. Phys Med Biol 2001; 46:1997-2007.
3. Wang X, Spirou S, LoSasso T, Stein J, Chui CS, Mohan R. Dosimetric verification of intensity-modulated fields. Med Phys 1996; 23:317-327.
4. LoSasso T, Chui CS, Ling CC. Physical and dosimetric aspects of a multileaf collimation system used in the dynamic mode for implementing intensity modulated radiotherapy. Med Phys 1998; 25:1919-1927.
5. Van Stanvoort JPC, Heijmen BJM. Dynamic multileaf collimation without "tongue-and-groove" underdosage effects. Phys Med Biol 1996; 41:2091-2105.
6. Boyer AL, Li S. Geometric analysis of light-field position of a multileaf collimator with curved ends. Med Phys 1997; 24:757-762.
7. Das IJ, Desobry GE, McNeeley SW, Cheng EC, Schultheiss TE. Beam characteristics of a retrofitted double-focused multileaf collimator. Med Phys 1998; 25:1676-1684.
8. Arnfield MR, Siebers JV, Kim JO, Wu Q, Keall PJ, Mohan R. A method for determining multileaf collimator transmission and scatter for dynamic intensity modulated radiotherapy. Med Phys 2000; 27:2231-2241.
9. Van Esch A, Bohsung J, Sorvari P, Tenhunen M, Paiusco M, Iori M, Engstrom P, Bystrom H, Huyskens DP. Acceptance tests and quality control (QC) procedures for the clinical implementation of intensity modulated radiotherapy (IMRT) using inverse planning and the sliding window technique: Experience from five radiotherapy departments. Radiother Oncol 2002; 65:53-70.
10. Ezzell GA, JGalvin JM, Low D, Palta JR, Rosen I, Sharpe MB, Xia P, Xiao Y, Xing L, Yu CX. Guidance document on delivery treatment planning, and clinical implementation of IMRT: Report of the IMRT subcommittee of the AAPM radiation therapy committee. Med Phys 2003; 30: 2089-2115.
11. Laub WU, Wong T. The volume effect of detectors in the dosimetry of small fields used in IMRT. Med Phys 2003; 30:341-347.
12. Chow JCL, Seguin M, Alexander A. Dosimetric effect of collimating jaws for small multileaf collimated fields. Med Phys 2005; 32:759-765.
13. Chow JCL, Wettlaufer B, Jiang R. Dosimetric effects on the penumbra region of irregular multi-leaf collimated fields. Phys Med Biol 2006; 51:N31-N38.
14. Stathakis S, Price R, Ma CM. Dosimetry validation of treatment room shielding design. Med Phys 2005; 32:448-454.
15. Cadman P, Bassalow R, Sidhu NP, Ibbott G, Nelson A. Dosimetric considerations for validation of a sequential IMRT process with a commercial treatment planning system. Phys Med Biol 2002; 47:3001-3010.
16. Cadman P, McNutt T, Bzdusek K. Validation of physics improvements for IMRT with a commercial treatment-planning system. J Appl Clin Med Phys 2005; 6:74-86.
17. Mackie TR, Scrimger JW, Battista J. A convolution method of calculating dose for 15-MV x rays. Med Phys 1985; 12:188-196.
18. Papanikolaou N, Mackie TR, Meger-Wells C, Gehring M, Reckwerdt P. Investigation of the convolution method for polyenergetic spectra. Med Phys 1993; 20:1327-1336.
19. 3 Physics Reference Guide (release 7.4): 2004.