Radiotherapy & Oncology
Volume 86, Issue 1 , Pages 35-42 , January 2008

3D in vivo dose verification of entire hypo-fractionated IMRT treatments using an EPID and cone-beam CT

Received 19 September 2007 ,Revised 1 November 2007 ,Accepted 2 November 2007.

References 

  1. Ansbacher W. Three-dimensional portal image-based dose reconstruction in a virtual phantom for rapid evaluation of IMRT plans. Med Phys. 2006;33:3369–3382
  2. Greer PB, Popescu CC. Dosimetric properties of an amorphous silicon electronic portal imaging device for verification of dynamic intensity modulated radiation therapy. Med Phys. 2003;30:1618–1627
  3. Hansen VN, Evans PM, Swindell W. The application of transit dosimetry to precision radiotherapy. Med Phys. 1996;23:713–721
  4. Hesse BM, Nill S, Tucking T, Oelfke U. 3D in vivo dosimetry by means of entrance dosimetry for dose guided radiotherapy. In Proceedings of the 25th ESTRO, Leipzig 2006: abstract 119.
  5. Hoogeman MS, van Herk M, de Bois J, Muller-Timmermans P, Koper PC, Lebesque JV. Quantification of local rectal wall displacements by virtual rectum unfolding. Radiother Oncol. 2004;70:21–30
  6. Kapiteijn E, Marijnen CA, Nagtegaal ID, et al. Preoperative radiotherapy combined with total mesorectal excision for resectable rectal cancer. N Engl J Med. 2001;345:638–646
  7. Louwe RJ, Damen EM, van Herk M, Minken AW, Torzsok O, Mijnheer BJ. Three-dimensional dose reconstruction of breast cancer treatment using portal imaging. Med Phys. 2003;30:2376–2389
  8. Louwe RJW, McDermott LN, Sonke J-J, et al. The long-term stability of amorphous silicon flat panel imaging devices for dosimetry purposes. Med Phys. 2004;31:2989–2995
  9. McCurdy BM, Luchka K, Pistorius S. Dosimetric investigation and portal dose image prediction using an amorphous silicon electronic portal imaging device. Med Phys. 2001;28:911–924
  10. McDermott LN, Louwe RJW, Sonke J-J, van Herk M, Mijnheer BJ. Dose-response and ghosting effects of an amorphous silicon electronic portal imaging device. Med Phys. 2004;31:285–295
  11. McDermott LN, Wendling M, Sonke JJ, van Herk M, Mijnheer BJ. Anatomy changes in radiotherapy detected using portal imaging. Radiother Oncol. 2006;79:211–217
  12. McDermott LN, Wendling M, Sonke JJ, van Herk M, Mijnheer BJ. Replacing pretreatment verification with in vivo EPID dosimetry for prostate IMRT. Int J Radiat Oncol Biol Phys. 2007;67:1568–1577
  13. McNutt TR, Mackie TR, Reckwerdt P, Paliwal BR. Modeling dose distributions from portal dose images using the convolution/superposition method. Med Phys. 1996;23:1381–1392
  14. Peeters KC, Marijnen CA, Nagtegaal ID, et al. The TME trial after a median follow-up of 6 years: increased local control but no survival benefit in irradiated patients with resectable rectal carcinoma. Ann Surg. 2007;246:693–701
  15. Steciw S, Warkentin B, Rathee S, Fallone BG. Three-dimensional IMRT verification with a flat-panel EPID. Med Phys. 2005;32:600–612
  16. Swedish Rectal Cancer Trial Improved survival with preoperative radiotherapy in resectable rectal cancer. N Engl J Med 1997;336:980–87.
  17. van Elmpt WJ, Nijsten SM, Dekker AL, Mijnheer BJ, Lambin P. Treatment verification in the presence of inhomogeneities using EPID-based three-dimensional dose reconstruction. Med Phys. 2007;34:2816–2826
  18. Wendling M, Louwe RJW, McDermott LN, Sonke J-J, van Herk M, Mijnheer BJ. Accurate two-dimensional IMRT verification using a back-projection EPID dosimetry method. Med Phys. 2006;33:259–273
  19. Wendling M, McDermott LN, Sonke J-J, Zijp L, van Herk M, Mijnheer BJ. 3D dose reconstruction from portal images. In Proceedings of the 9th EPI, Melbourne 2006:117–18.
  20. Wendling M, Zijp L, McDermott LN, et al. A fast algorithm for gamma evaluation in 3D. Med Phys. 2007;34:1647–1654

PII: S0167-8140(07)00556-7

doi: 10.1016/j.radonc.2007.11.010

Radiotherapy & Oncology
Volume 86, Issue 1 , Pages 35-42 , January 2008