Evaluation of an a-Si EPID in direct detection configuration as a water-equivalent dosimeter for transit dosimetry

Medical Physics

Volumn 37, Issue 4, 2010, Pages 1459-1467

  Sabet, Mahsheed ^a   Menk, Frederick W ^a   Greer, Peter B ^a  

^a UNIVERSITY OF NEWCASTLE   (Australia)

Author keywords

Amorphous silicon; Direct detection configuration; EPID; Transit dosimetry

Indexed keywords

CHEMICALS REMOVAL (WATER TREATMENT); COPPER; DOSIMETERS; DOSIMETRY; IONIZATION CHAMBERS; IONIZATION OF LIQUIDS; LIGHT EMISSION; LIGHT SCATTERING; PHANTOMS; PHOSPHORS; RADIATION EFFECTS; WATER TANKS;

AMORPHOUS SILICON (A-SI); ANTHROPOMORPHIC PHANTOMS; DIRECT DETECTION; DOSIMETRY MEASUREMENT; ELECTRONIC PORTAL IMAGING DEVICES; EPID; IMAGING CHARACTERISTICS; REFERENCE MEASUREMENTS;

AMORPHOUS SILICON;

EID: 77950553203     PISSN: 00942405     EISSN: None     Source Type: Journal    
DOI: 10.1118/1.3327456     Document Type: Article

References (34)

1. M. C. Kirby and P. C. Williams, " Measurement possibilities using an electronic portal imaging device.," Radiother. Oncol. 0167-8140 29 (2), 237-243 (1993). 10.1016/0167-8140(93)90253-5 (Pubitemid 24007865)
2. Y. Zhu, X. Jiang, and J. Van Dyk, " Portal dosimetry using a liquid ion chamber matrix: Dose response studies.," Med. Phys. 0094-2405 22 (7), 1101-1106 (1995). 10.1118/1.597502
3. G. L. Budgell, R. Zhang, and R. I. Mackay, " Daily monitoring of linear accelerator beam parameters using an amorphous silicon EPID.," Phys. Med. Biol. 0031-9155 52, 1721-1733 (2007). 10.1088/0031-9155/52/6/012 (Pubitemid 46646377)
4. M. L. Dirkx and B. J. Heijmen, " Testing of the stability of intensity modulated beams generated with dynamic multileaf collimation, applied to the MM50 racetrack microtron.," Med. Phys. 0094-2405 27, 2701-2707 (2000). 10.1118/1.1326450 (Pubitemid 32063449)
5. P. Munro, " Megavoltage radiography for treatment verification.," in The Modern Technology of Radiation Oncology, edited by, J. Van Dyk, (Medical Physics Publishing, Madison, 1999).
6. F. F. Yin, M. C. Schell, and P. Rubin, " A technique of automatic compensator design for lung inhomogenities correction using an electronic portal imaging device.," Med. Phys. 0094-2405 21, 1729-1732 (1994). 10.1118/1.597273 (Pubitemid 24356292)
7. D. M. Roback and B. J. Gerbi, " Evaluation of electronic portal imaging device for missing tissue compensator design and verification.," Med. Phys. 0094-2405 22, 2029-2034 (1995). 10.1118/1.597647
8. X. He, A. Van Esch, R. Reyman, and D. Huyskens, " Evaluation of an electronic portal imaging device for transit dosimetry.," Acta Oncol. (Madr) 0001-6381 38 (5), 591-596 (1999). (Pubitemid 29333739)
9. B. Warkentin, S. Steciw, S. Rathee, and B. G. Fallone, " Dosimetric IMRT verification with a flat panel EPID.," Med. Phys. 0094-2405 30 (12), 3143-3155 (2003). 10.1118/1.1625440 (Pubitemid 37553755)
10. A. Van Esch, T. Depuydt, and D. P. Huyskens, " The use of an aSi-based EPID for routine absolute dosimetric pre-treatment verification of dynamic IMRT fields.," Radiother. Oncol. 0167-8140 71, 223-234 (2004). 10.1016/j.radonc.2004.02.018 (Pubitemid 38521192)
11. L. N. McDermott, M. Wendling, B. van Asselen, J. Stroom, J. J. Sonke, M. van Herk, and B. J. Mijnheer, " Clinical experience with EPID dosimetry for prostate IMRT pre-treatment dose verification.," Med. Phys. 0094-2405 33, 3921-3930 (2006). 10.1118/1.2230810 (Pubitemid 44505114)
12. C. Talamonti, M. Casati, and M. Bucciolini, " Pretreatment verification of IMRT absolute dose distributions using a commercial a-Si EPID.," Med. Phys. 0094-2405 33, 4367-4378 (2006). 10.1118/1.2357834 (Pubitemid 44673126)
13. M. C. Kirby and P. C. Williams, " The use of an electronic portal imaging device for exit dosimetry and quality control measurements.," Int. J. Radiat. Oncol., Biol., Phys. 0360-3016 31, 593-603 (1995). 10.1016/0360-3016(94)00388-2
14. V. N. Hansen, P. M. Evans, and W. Swindell, " The application of transit dosimetry to precision radiotherapy.," Med. Phys. 0094-2405 23 (5), 713-721 (1996). 10.1118/1.597719 (Pubitemid 26154437)
15. T. R. McNutt, T. R. Mackie, P. Reckwerdt, N. Papanikolaou, and B. R. Paliwal, " Calculation of portal dose using the convolution/superposition method.," Med. Phys. 0094-2405 23, 527-535 (1996). 10.1118/1.597810 (Pubitemid 26120153)
16. R. Boellaard, M. Van Herk, and B. J. Mijnheer, " A convolution model to convert transmission dose images to exit dose distributions.," Med. Phys. 0094-2405 24 (2), 189-199 (1997). 10.1118/1.598066 (Pubitemid 27084024)
17. K. L. Pasma, M. Kroonwijk, S. Quint, A. G. Visser, and B. J. M. Heijmen, " Transit dosimetry with an electronic portal imaging device (EPID) for 115 prostate cancer patients.," Int. J. Radiat. Oncol., Biol., Phys. 0360-3016 45 (5), 1297-1303 (1999). 10.1016/S0360-3016(99)00328-4
18. J. Chang, G. Mageras, C. S. Chui, C. C. L. Ling, and W. Lutz, " Relative profile and dose verification of intensity modulated radiation therapy.," Int. J. Radiat. Oncol., Biol., Phys. 0360-3016 47 (1), 231-240 (2000). 10.1016/S0360-3016(99)00555-6 (Pubitemid 30179700)
19. M. Partridge, B. M. Hesse, and L. Müller, " A performance comparison of direct- and indirect-detection flat panel imagers.," Nucl. Instrum. Methods Phys. Res. A 0168-9002 484, 351-363 (2002). 10.1016/S0168-9002(01)02023-X (Pubitemid 34545762)
20. S. M. J. J. G. Nijsten, B. J. Minjheer, A. L. A. J. Dekker, P. Lambin, and A. W. H. Minken, " Routine individualised patient dosimetry using electronic portal imaging devices.," Radiother. Oncol. 0167-8140 83, 65-75 (2007). 10.1016/j.radonc.2007.03.003 (Pubitemid 46527950)
21. P. B. Greer, " Correction of pixel sensitivity variation and off-axis response for amorphous silicon EPID dosimetry.," Med. Phys. 0094-2405 32 (12), 3558-3568 (2005). 10.1118/1.2128498
22. J. Chen, C. F. Chuang, O. Morin, M. Aubin, and J. Pouliot, " Calibration of an amorphous silicon flat panel portal imager for exit beam dosimetry.," Med. Phys. 0094-2405 33 (3), 584-594 (2006). 10.1118/1.2168294 (Pubitemid 43320162)
23. W. van Elmpt, L. McDermott, S. Nijsten, M. Wendling, P. Lambin, and B. Mijnheer, " A literature review of electronic portal imaging for radiotherapy dosimetry.," Radiother. Oncol. 0167-8140 88, 289-309 (2008). 10.1016/j.radonc.2008.07.003
24. L. E. Antonuk, " Electronic portal imaging devices: A review and historical perspective of contemporary technologies and research.," Phys. Med. Biol. 0031-9155 47, R31-R65 (2002). 10.1088/0031-9155/47/2/401 (Pubitemid 34110619)
25. L. E. Antonuk, Y. El-Mohri, W. Huang, K. W. Jee, J. H. Siewerdsen, M. Maolinbay, V. E. Scarpine, H. van Sandler, and J. Yorkston, " Initial performance evaluation of an indirect-detection, active matrix flat panel imager (AMFPI) prototype for megavoltage imaging.," Int. J. Radiat. Oncol., Biol., Phys. 0360-3016 42, 437-454 (1998). 10.1016/S0360-3016(98)00210-7 (Pubitemid 28502794)
26. B. M. C. McCurdy, K. B. Luchka, and S. Pistorius, " Dosimetric investigation and portal dose image prediction using an amorphous silicon electronic portal imaging device.," Med. Phys. 0094-2405 28, 911-924 (2001). 10.1118/1.1374244 (Pubitemid 32574675)
27. E. E. Grein, R. Lee, and K. Luchka, " An investigation of a new amorphous silicon electronic portal imaging device for transit dosimetry.," Med. Phys. 0094-2405 29 (10), 2262-2268 (2002). 10.1118/1.1508108 (Pubitemid 35204434)
28. S. M. J. J. G. Nijsten, W. J. C. van Elmpt, M. Jacobs, B. J. Minjheer, A. L. A. J. Dekker, P. Lambin, and A. W. H. Minken, " A global calibration model for a-Si EPIDs used for transit dosimetry.," Med. Phys. 0094-2405 34 (10), 3872-3880 (2007b). 10.1118/1.2776244 (Pubitemid 47482889)
29. J. M. Moran, D. A. Roberts, T. S. Nurushev, and L. E. Antonuk, " An active matrix flat panel dosimeter (AMFPD) for in-phantom dosimetric measurements.," Med. Phys. 0094-2405 32 (2), 466-472 (2005). 10.1118/1.1855012 (Pubitemid 40322328)
30. Y. El-Mohri, L. E. Antonuk, J. Yorkston, K. W. Jee, M. Maolinbay, K. L. Lam, and J. H. Siewerdsen, " Relative dosimetry using active matrix flat panel imager (AMFPI) technology.," Med. Phys. 0094-2405 26 (8), 1530-1541 (1999). 10.1118/1.598649 (Pubitemid 29402264)
31. P. Vial, P. B. Greer, L. Oliver, and C. Baldock, " Initial evaluation of a commercial EPID modified to a novel direct-detection configuration for radiotherapy dosimetry.," Med. Phys. 0094-2405 35 (10), 4362-4374 (2008). 10.1118/1.2975156
32. Y. Chen, J. M. Moran, D. A. Roberts, Y. El-Mohri, L. E. Antonuk, and B. A. Fraass, " Performance of a direct-detection active matrix flat panel dosimeter (AMFPD) for IMRT measurements.," Med. Phys. 0094-2405 34 (12), 4911-4922 (2007). 10.1118/1.2805993 (Pubitemid 350197726)
33. D. A. Jaffray, J. J. Battista, A. Fenster, and P. Munro, " X-ray scatter in megavoltage transmission radiography: Physical characteristics and influence on image quality.," Med. Phys. 0094-2405 21 (1), 45-60 (1994). 10.1118/1.597255 (Pubitemid 24056495)
34. C. Manfredotti, F. Faccio, F. Fizzotti, and R. Marchisio, " Study and realization of an amorphous silicon x-ray detector with effective energy sensitivity.," Nucl. Instrum. Methods Phys. Res. 0167-5087 A322, 483-486 (1992).