The long-term stability of amorphous silicon flat panel imaging devices for dosimetry purposes

Medical Physics

Volumn 31, Issue 11, 2004, Pages 2989-2995

  Louwe, R J W ^a   McDermott, L N ^a   Sonke, J J ^a   Tielenburg, R ^a   Wendling, M ^a   Van Herk, M B ^a   Mijnheer, B J ^a  

^a ANTONI VAN LEEUWENHOEK HOSPITAL   (Netherlands)

Author keywords

Dose verification; Flat panel imager; Portal dosimetry; Quality assurance; Radiotherapy

Indexed keywords

DOSIMETRY; IMAGE SEGMENTATION; QUALITY ASSURANCE; RADIATION DAMAGE; RADIOTHERAPY;

AMORPHOUS SILICON (A-SI); AMORPHOUS SILICON FLAT-PANEL; DOSE VERIFICATION; FLAT-PANEL IMAGERS; LONG TERM STABILITY; PORTAL DOSIMETRIES; QUALITY ASSURANCE TESTS; TEMPERATURE FLUCTUATION;

AMORPHOUS SILICON;

SILICON; SILICON DIOXIDE;

ARTICLE; ARTIFACT REDUCTION; COMPARATIVE STUDY; DARKNESS; DEVICE; DOSIMETER; DOSIMETRY; ENVIRONMENTAL TEMPERATURE; IMAGE QUALITY; IMAGING; PRIORITY JOURNAL; QUALITY CONTROL; RADIATION DETECTOR; TEMPERATURE DEPENDENCE;

EID: 9244240768     PISSN: 00942405     EISSN: None     Source Type: Journal    
DOI: 10.1118/1.1803751     Document Type: Article

References (17)

1. M. G. Herman, J. M. Balter, D. A. Jaffray, K. P. McGee, P. Munro, S. Shalev, M. van Herk, and J. W. Wong, "Clinical use of electronic portal imaging: Report of AAPM Radiation Therapy Committee Task Group 58," Med. Phys. 28, 712-737 (2001).
2. D. A. Low, E. E. Klein, D. K. Maag, W. E. Umfleet, and J. A. Purdy, "Commissioning and periodic quality assurance of a clinical electronic portal imaging device," Int. J. Radiat. Oncol., Biol., Phys. 34, 117-123 (1996).
3. A. J. Poynter, "Image quality parameters for the production standard Eliav PORTpro portal imaging device," Br. J. Radiol. 72, 802-804 (1999).
4. R. Rajapakshe, K. Luchka, and S. Shalev, "A quality control test for electronic portal imaging devices," Med. Phys. 23, 1237-1244 (1996).
5. R. J. W. Louwe, R. Tielenburg, K. M. van Ingen, B. J. Mijnheer, and M. B. van Herk, "The stability of liquid-filled matrix ionisation chamber electronic portal imaging devices for dosimetry purposes," Med. Phys. 31, 819-827 (2004).
6. L. N. McDermott, R. J. W. Louwe, J.-J. Sonke, B. Brand, M. B. Van Herk, and B. J. Mijnheer, "Dose-response characteristics, ghosting and reproducibility of an a-Si EPID," Med. Phys. 31, 285-295 (2004).
7. 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. 26, 1530-1541 (1999).
8. L. E. Antonuk, Y. El-Morhi, and K. W. Jee, "Active matrix flat-panel imagers (AMFPIs) for electronic portal imaging," in Imaging in Radiation Therapy, edited by J. D. Hade and A. L. Boyer, AAPM Medical Physics monograph No. 24 (Medical Physics Publishing, Madison, WI, 1998), pp. 371-392.
9. J. H. Siewerdsen and D. A. Jaffray. "A ghost story: spatio-temporal response characteristics of an indirect-detection flat-panel imager," Med. Phys. 26, 1624-1641 (1999).
10. P. B. Greer and C. C. Popescu, "Dosimetric properties of an amorphous silicon electronic portal imaging device for verification of dynamic intensity modulated radiation therapy," Med. Phys, 30, 1618-1627 (2003).
11. R. Boellaard, M. B. van Herk, and B. J. Mijnheer, "The dose response relationship of a liquid-filled electronic portal imaging device," Med. Phys. 23, 1601-1611 (1996).
12. R. J. W. Louwe, E. M. F. Damen, M. B. van Herk, A. W. H. Minken, O. Törzsök, and B. J. Mijnheer, "3D-dose reconstruction of breast cancer treatment using portal imaging," Med. Phys. 30, 2376-2389 (2003).
13. R. Bernstein, S. Mitra, and M. Moore, "Adjustable quadratic filters for image enhancement," Proceedings of the 1997 International Conference on Image Processing, October 1997, Washington, D.C., IEEE Computer Society, 1997; online publication pp. 287-290.
14. M. L. P. Dirkx, M. Kroonwijk, J. C. J. de Boer, and B. J. M. Heijmen, "Daily dosimetric quality control of the MM50 Racetrack Microtron using an electronic portal imaging device," Radiother. Oncol. 37, 55-60 (1995).
15. A. G. Glendinning and D. E. Bonnett, "Dosimetric properties of the Theraview Fluoroscopic electronic portal imaging device," Br. J. Radiol. 73, 517-530 (2000).
16. P. B. Greer and C. C. Popescu, "Dosimetric properties of an amorphous silicon electronic portal imaging device for verification of dynamic intensity modulated radiation therapy," Med. Phys. 30, 1618-1627 (2003).
17. G. V. Menon and R. S. Sloboda, "Quality assurance measurements of a-Si EPID performance," Med. Dosim 29, 11-17 (2004).