Dosimetric verification of 6 and 18 MV intensity modulated photon beams using a dedicated fluoroscopic electronic portal imaging device (EPID)

Radiotherapy and Oncology

Volumn 81, Issue 1, 2006, Pages 88-96

  Monti, Angelo F ^a   Frigerio, Giovanna ^a  

^a SANT ANNA HOSPITAL   (Italy)

Author keywords

Fluoroscopic portal imaging device; Intensity modulated radiotherapy; Quality control procedure

Indexed keywords

ARTICLE; CAMERA; DEVICE; DIODE; DOSIMETRY; FILM; FLUOROSCOPIC ELECTRONIC PORTAL IMAGING DEVICE; FLUOROSCOPY; IMAGING; INTENSITY MODULATED RADIATION THERAPY; METHODOLOGY; PRIORITY JOURNAL; RADIATION DOSE DISTRIBUTION; RADIATION FIELD;

FLUORESCENCE; PARTICLE ACCELERATORS; PHOTONS; RADIATION MONITORING; RADIOMETRY; RADIOTHERAPY, INTENSITY-MODULATED; SCATTERING, RADIATION;

EID: 33749429594     PISSN: 01678140     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.radonc.2006.08.008     Document Type: Article

References (40)

1. Ahnesjo A. Analytical modeling of photon scatter from flattening filters in photon therapy beams. Med Phys 21 (1994) 1227-1235
2. Ahnesjo A. Collimator scatter in photon therapy beams. Med Phys 22 (1995) 267-278
3. Beavis A.W., Weston S.J., and Whitton V.J. Implementation of the Varian EDW into a commercial RTP system. Phys Med Biol 41 (1996) 1691-1704
4. Boehmer D., Bohsung J., Eichwurzel I., Moys A., and Budach V. Clinical and physical quality assurance for intensity modulated radiotherapy of prostate cancer. Radiother Oncol 71 (2004) 319-325
5. Bohsung J, Groll J, Moys A, Bohmer D, Marnitz S, Budach V. One year of clinical IMRT with dynamic MLC - the Charité experience from a physicist's point of view. In: Proceedings of varian users meeting. Sardinia: Varian Medical Systems; 2001.
6. Bos L.J., Danciu C., Cheng C.W., et al. Interinstitutional variations of sensitometric curves of radiographic dosimetric films. Med Phys 29 (2002) 1772-1780
7. Bucciolini M., Banci F., and Casati M. Verification of IMRT fields by film dosimetry. Med Phys 31 (2004) 161-168
8. Burch S.E., Kearfott K.J., Trueblood J.H., Sheils W.C., Yeo J.I., and Wang K.C. A new approach to film dosimetry for high energy photon beam: lateral scattering filtering. Med Phys 24 (1997) 775-783
9. Christ G. White polystyrene as a substitute for water in high energy photon dosimetry. Med Phys 22 (1995) 2097-2100
10. Cremers F., Frenzel T., Kausch C., Albers D., Schonborn T., and Schmidt R. Performance of electronic portal imaging devices (EPIDs) used in radiotherapy: image quality and dose measurements. Med Phys 31 (2004) 985-996
11. Danciu C., Proimos B.S., Rosenwald J.C., and Mijnheer B.J. Variation of sensitometric curves of radiographic films in high energy photon beams. Med Phys 28 (2001) 966-974
12. Delle Canne S., Landoni V., Malatesta T., Caparella R., Fragomeni R., and Begnozzi L. Enhanced dynamic wedge: dosimetry and clinical implementation. Phys Med 4 (2003) 289-293
13. Elder P.J., Conveney F.M., and Welsh A.D. An investigation into the comparison between different dosimetric methods of measuring profiles and depth doses for dynamic wedges on a Varian 600 C linear accelerator. Phys Med Biol 40 (1995) 683-689
14. Esthappan J., Mutic S., Harms W.B., Dempsey J.F., and Low D.A. Dosimetry of therapeutic photon beams using an extended dose range film. Med Phys 29 (2002) 2438-2445
15. Ezzell G.A., Galvin J.M., Low D., et al. Guidance document on delivery, treatment planning, and clinical implementation of IMRT: report of the IMRT subcommittee of the AAPM radiation therapy committee. Med Phys 30 (2003) 2089-2115
16. Heijmen B.J.M., Pasma K.L., Kroonwijk M., et al. Portal dose measurements in radiotherapy using an electronic portal imaging device (EPID). Phys Med Biol 40 (1995) 1943-1955
17. Herman M.G., Balter J.M., Jaffray D.A., et al. Clinical use of electronic portal imaging: report of AAPM Radiation Therapy Task Group No. 58. Med Phys 28 (2001) 712-737
18. Intensity Modulated Radiation Therapy Collaborative Working Group. Intensity-modulated radiotherapy: current status and issue of interest. Int J Radiat Oncol Biol Phys 2001;51:880-914.
19. Ju S.G., Ahn Y.C., Huh S.J., and Yeo I.J. Film dosimetry for intensity modulated radiation therapy: Dosimetric evaluation. Med Phys 29 (2002) 351-355
20. Leavitt D.D., and Larson L. Evaluation of a diode detector array for measurements of dynamic wedge dose distributions. Med Phys 20 (1993) 381-382
21. Leavitt D.D., Martin M., Moeller J.H., and Lee W.L. Dynamic wedge field techniques through computer-controlled collimation motion and dose delivery. Med Phys 17 (1990) 87-91
22. Letourneau D., Gulam M., Yan D., Oldham M., and Wong J.W. Evaluation of a 2D diode array for IMRT quality assurance. Radiother Oncol 70 (2004) 199-206
23. Liu H.H., Lief E.P., and McCullough E.C. Measuring dose distribution dynamic wedges using a multichamber detector array. Med Phys 24 (1997) 1515-1519
24. Low D.A., Harms W.B., Mutic S., and Purdy J.A. A technique for the quantitative evaluation of dose distributions. Med Phys 25 (1998) 656-661
25. Ma L., Geis P.B., and Boyer A.L. Quality assurance for dynamic multileaf collimator modulated fields using a fast beam imaging system. Med Phys 24 (1997) 1-8
26. Marinello G., and Sliwinski C. Les emulsions photographiques et leurs applications en dosimetrie. J Radiol Electrol 55 (1974) 507-513
27. McDermott L.N., Sonke J.J., Wendling M., van Herk M.B., and Mijnheer B.J. Dose-response and ghosting effects of an amorphous silicon electronic portal imaging device. Med Phys 31 (2004) 285-290
28. Messerman B., and De Wagter C. Characteristic of a commercially available film digitizer and their significance for film dosimetry. Phys Med Biol 43 (1998) 1803-1812
29. Muller L, Adams E, Evans P. Clinical implementation of a new IMRT verification concept. In: Abstract book of the 7th Biennial ESTRO meeting on physics and radiation technology for clinical radiotherapy. Genève; 2003. p. S105.
30. Nath R., Biggs P.J., Bova F.J., et al. AAPM code of practice for radiotherapy accelerators: report of AAPM Radiation Therapy Task Group No. 45. Med Phys 21 (1994) 1093-1120
31. Panten T., Hoss A., Bohsung J., Becker G.T., and Sroka-Perez G. Time requirements in conformal radiotherapy treatment planning. Radiother Oncol 51 (1999) 211-214
32. Pasma K.L., Dirkx M.L.P., Kroonwijk M., Visser A.G., and Heijmen B.J.M. Dosimetric verification of intensity modulated beams produced with dynamic multileaf collimation using an electronic portal imaging device. Med Phys 26 (1999) 2373-2378
33. Pasma K.L., Kroonwijk M., de Boer J.C.J., Visser A.G., and Heijmen B.J.M. Accurate portal dose measurement with a fluoroscopic electronic portal imaging device (EPID) for open and wedged beams and dynamic multileaf collimation. Phys Med Biol 43 (1998) 2047-2060
34. Spezi E., and Lewis D.G. Gamma histograms for radiotherapy plan evaluation. Radiother Oncol 79 (2006) 224-230
35. Ting J.Y., and Davis L. Dose verification for patients undergoing IMRT. Med Dosim 26 (2001) 205-213
36. Van Esch A., Bohsung J., Sorvari P., et al. Acceptance test and quality control (QC) procedures for the clinical implementation of intensity modulated radiotherapy (IMRT) using inverse planning and sliding window technique: experience of five radiotherapy department. Radiother Oncol 65 (2002) 53-70
37. Van Esch A., Depuydt T., and Huyskens D.P. The use of an aSi-based EPID for routine absolute dosimetric pre-treatment verification of dynamic IMRT fields. Radiother Oncol 71 (2004) 223-234
38. Van Esch A., Vanstraelen B., Verstraete J., et al. Pre-treatment dosimetric verification by means of a liquid-filled electronic portal imaging device during dynamic delivery of intensity modulated treatment fields. Radiother Oncol 60 (2001) 181-190
39. Vieira S.C., Dirkx M.L.P., Heijmen B.J.M., and de Boer H.C.J. SIFT: a method to verify the IMRT fluence delivered during patient treatment using an electronic portal imaging device. Int J Radiat Oncol Biol Phys 60 (2004) 981-993
40. Wang X., Spirou S., Lo Sasso T., Stein J., Chui C., and Mohan R. Dosimetric verification of intensity-modulated fields. Med Phys 23 (1996) 317-327