Development of a new generation of area detectors for portal imaging: High quantum efficiency direct-conversion MV flat panel imagers

Proceedings of SPIE - The International Society for Optical Engineering

Volumn 5368, Issue 1, 2004, Pages 119-126

  Pang, G ^a   Rowlands, J A ^b  

^a DEPARTMENT OF RADIATION ONCOLOGY   (Canada)

^b SUNNYBROOK RESEARCH INSTITUTE   (Canada)

Author keywords

EPIDs; Flat panel; Portal imaging; Quantum efficiency

Indexed keywords

ELECTRODES; IONIZATION; LIGHT ABSORPTION; MATRIX ALGEBRA; MEDICAL IMAGING; X RAY ANALYSIS;

AREA DETECTORS; ELECTRONIC PORTAL IMAGING DEVICES (EPID); FLAT PANEL; PORTAL IMAGING;

QUANTUM EFFICIENCY;

EID: 3042686375     PISSN: 0277786X     EISSN: None     Source Type: Conference Proceeding    
DOI: 10.1117/12.531921     Document Type: Conference Paper

References (24)

1. F. M. Khan, The Physics of Radiation Therapy (Williams & Wilkins, Baltimore, 1994).
2. A. L. Boyer, L. Antonuk, A. Fenster, M. V. Herk, H. Meertens, P. Munro, L. E. Reinstein and J. Wong, "A review of electronic portal imaging devices (EPIDs)", Med. Phys. 19, 1-16 (1992).
3. L. E. Antonuk, J. Boudry, J. Yorkston, E. J. Morton, W. Huang, and R. A. Steet, "Development of thin-film flat-panel arrays for diagnostic and radiotherapy imaging", Proc. SPIE 1651, 94-105 (1992).
4. P. Munro and D. C. Bouius, "X-ray quantum limited portal imaging using amorphous silicon flat-panel arrays", Med. Phys. 25, 689-702 (1998).
5. G. Pang, D. L. Lee, and J. A. Rowlands, "Investigation of direct conversion flat panel imager for portal imaging", Med. Phys. 28, 2121-2128 (2001).
6. M. Lachaine, E. Fourkal, and B. G. Fallone, "Detective quantum efficiency of a direct-detection active matrix flat panel imager at megavoltage energies", Med. Phys. 28, 1364-1372 (2001).
7. E. Vigneault, J. Pouliot, J. Laverdiere, et al., "Electronic Portal Imaging Device Detection of Radioopaque Markers for the Evaluation of Prostate Position During Megavoltage Irradiation: A Clinical Study," Int. J. Radiation Oncology Biol. Phys. 37, 205-212 (1997).
8. K. M. Langen and D. T. Jones, "Organ motion and its management," Int. J. Radiat. Oncol. Biol. Phys. 50, 265-278 (2001).
9. J. Wu, T. Haycocks, H. Alasti, et al., "Positioning errors and prostate motion during conformal prostate radiotherapy using on-line isocenter setup verification and implanted prostate markers," Radiother. Oncol. 61, 127-133 (2001).
10. G. Pang, D. Beachey, P. O'Brien and J. A. Rowlands, "Imaging of 1.0 mm-diameter opaque markers with megavoltage x-rays: an improved on-line imaging system," Int. J. Radiation Oncology Biol. Phys. 52, 532-537 (2002).
11. J. Lattanzi, S. Mcneeley, W. Pinover, E. Horwitz, I. Das, T. E. Schultheiss and G. E. Hanks, "A comparison of daily CT localization to a daily ultrasound-based system in prostate cancer," Int. J. Radiation Oncology Biol. Phys. 43, 719-725 (1999).
12. K. J. Ruchala, G. H. Olivera, E. A. Scholesser and T. R. Mackie, "Megavoltage CT on a tomotherapy system," Phys. Med. Biol. 44, 2597-2621 (1999).
13. D. A. Jaffray, J. H. Siewerdsen, J. W. Wong and A. A. Martinez, "Flat-panel cone-beam computed tomography for image-guided radiation therapy," Int. J. Radiation Oncology Biol. Phys. 53, 1337-1349 (2002).
14. E. J. Seppi, P. Munro, S. W. Johnsen, et al., "Megavoltage cone-beam computed tomography using a high-efficiency image receptor," Int. J. Radiation Oncology Biol. Phys. 55, 793-803 (2003).
15. G. Pang and J. A. Rowlands. "Development of high quantum efficiency flat panel detectors for portal imaging: Intrinsic spatial resolution," Med. Phys. 29, 2274-2285 (2002).
16. L. E. Antonuk, "Electronic portal imaging devices: a review and historical perspective of contemporary technologies and research," Phys. Med. Biol. 47, R31-R65 (2002).
17. M. A. Mosleh-Shirazi, P. M. Evans, W. Swindell, J. R. N. Symonds-Tayler, S. Webb and M. Partridge, "Rapid portal imaging with a high-efficiency, large field of view detector," Med. Phys. 25, 2333-2346 (1998).
18. A. Sawant, H. Zeman, S. Samant, G. Lovhoiden, B. Weinberg and F. DiBianca, "Theoretical analysis and experimental evaluation of a CsI(Tl) based electronic portal imaging system," Med. Phys. 29, 1042-1053 (2000).
19. J. Ostling, M. Wallmark, A. Brahme, M. Danielsson, C. Iacobaeus, P. Fonte and V. Peskov, "Novel detector for portal imaging in radiation therapy," Proc. SPIE 3977, 84-95 (2000).
20. R. Hinderer, J. M. Kapatoes, H. Keller, et al."Development of a new multielement detector system for megavoltage photons," Proc SPIE 4682, 809-818 (2002).
21. K. Ishibashi and J. Kimura, "A new anisotropic conductive film with arrayed conductive particles", AMP Journal of Technology, 5, 24-30 (1996).
22. G. Pang and J. A. Rowlands, "Development of high quantum efficiency flat panel detector for megavoltage x-ray imaging: A novel design and its feasibility", Med. Phys. (submitted).
23. H. Sipilä, "The statistics of gas gain in penning mixtures," IEEE Trans. Nucl. Sci. NS-26, 181-185 (1979).
24. W. Zhao and J. A. Rowlands, "X-ray imaging using amorphous selenium: Feasibility of a flat panel scanned detector for digital radiology," Med. Phys. 22, 1595-1604 (1995).