Medical Dosimetry
Volume 36, Issue 3 , Pages 240-245 , Autumn 2011

The Accuracy of Inhomogeneity Corrections in Intensity Modulated Radiation Therapy Planning in Philips Pinnacle System

  • Parham Alaei, Ph.D.

      Affiliations

    • Corresponding Author InformationReprint requests to: Parham Alaei, Ph.D., Department of Therapeutic Radiology-Radiation Oncology, University of Minnesota, 420 Delaware Street SE, MMC 494, Minneapolis, MN 55455
    • ,
  • Patrick D. Higgins, Ph.D.

Received 3 February 2010 ,Accepted 29 March 2010.

References 

  1. Mackie TR, El-Khatib E, Battista J, et al. Lung dose corrections for 6- and 15-MV × rays. Med. Phys. 1985;12:327–332
  2. Tang WL, Khan FM, Gerbi BJ. Validity of lung correction algorithms. Med. Phys. 1986;13:683–686
  3. Wong JW, Purdy JA. On methods of inhomogeneity corrections for photon transport. Med. Phys. 1990;17:807–814
  4. Kappas C, Rosenwald J-C. Quality control of inhomogeneity correction algorithms used in treatment planning systems. Int. J. Radiat. Oncol. Biol. Phys. 1995;32:847–855
  5. Arnfield MR, Siantar CH, Siebers J, et al. The impact of electron transport on the accuracy of computed dose. Med. Phys. 2000;27:1266–1274
  6. du Plessis FCP, Willemse CA, Lotter MG, et al. Comparison of the Batho, ETAR and Monte Carlo dose calculation methods in CT based patient models. Med. Phys. 2001;28:582–589
  7. Martens C, Reynaert N, De Wagter C, et al. Underdosage of the upper-airway mucosa for small fields as used in intensity-modulated radiation therapy: A comparison between radiochromic film measurements, Monte Carlo simulations, and collapsed cone convolution calculations. Med. Phys. 2002;29:1528–1535
  8. Wang L. Monte Carlo evaluation of 6 MV intensity modulated radiotherapy plans for head and neck and lung treatments. Med. Phys. 2002;29:2705–2717
  9. Jones AO, Das IJ. A Monte Carlo study of IMRT beamlets in inhomogeneous media. Med. Phys. 2003;30:296–300
  10. Jones AO, Das IJ. Comparison of inhomogeneity correction algorithms in small photon fields. Med. Phys. 2005;32:766–776
  11. Boudreau C, Heath E, Seuntjens J, et al. IMRT head and neck treatment planning with a commercially available Monte Carlo based planning system. Phys. Med. Biol. 2005;50:879–890
  12. Al-Hallaq HA, Reft CS, Roeske JC. The dosimetric effects of tissue heterogeneities in intensity-modulated radiation therapy (IMRT) of the head and neck. Phys. Med. Biol. 2006;51:1145–1156
  13. Vanderstraeten B, Rayneart N, Paelinck L, et al. Accuracy of patient dose calculation for lung IMRT: A comparison of Monte Carlo, convolution/superposition, and pencil beam computations. Med. Phys. 2006;33:3149–3158
  14. Dvorak P, Stock M, Kroupa B, et al. Analysis of the dose calculation accuracy for IMRT in lung: A 2D approach. Acta. Oncol. 2007;46:928–936
  15. Davidson S, Ibbott GS, Prado KL, et al. Accuracy of two heterogeneity dose calculation algorithms for IMRT in treatment plans designed using an anthropomorphic phantom. Med. Phys. 2007;34:1850–1857
  16. Yoon M, Lee D-H, Shin D, et al. Accuracy of inhomogeneity correction algorithm in intensity-modulated radiotherapy of head-and-neck tumors. Med. Dosim. 2007;32:44–51
  17. Carrasco P, Jornet N, Duch MA, et al. Comparison of dose calculation algorithms in slab phantoms with cortical bone equivalent heterogeneities. Med. Phys. 2007;34:3323–3333
  18. Wilcox EE, Daskalov GM. Accuracy of dose measurements and calculations within and beyond heterogeneous tissues for 6 MV photon fields smaller than 4 cm produced by Cyberknife. Med. Phys. 2008;35:2259–2266
  19. Davidson SE, Popple RA, Ibbott GS, et al. Technical note: Heterogeneity dose calculation accuracy in IMRT: Study of five commercial treatment planning systems using an anthropomorphic thorax phantom. Med. Phys. 2008;35:5434–5439
  20. Woo MK, Cunningham JR. The validity of the density scaling method in primary electron transport for photon and electron beams. Med. Phys. 1990;17:187–194
  21. Yu CX, Mackie TR, Wong JW. Photon dose calculation incorporating explicit electron transport. Med. Phys. 1995;22:1157–1165
  22. Papanikolaou N, Battista JJ, Boyer AL, et al. Tissue inhomogeneity corrections for megavoltage photon beams, report of task group 65 of the radiation therapy committee of the American Association of Physicists in Medicine. Madison, WI: Medical Physics Publishing; 2004;
  23. Das IJ, Ding GX, Ahnesjo A. Small fields: Nonequilibrium radiation dosimetry. Med. Phys. 2007;35:206–215
  24. Saxena R, Higgins PD. Measurement and evaluation of inhomogeneity corrections and monitor unit verifications for treatment planning. Med. Dosim. 2010;35:19–27
  25. Mackie TR, Scrimger JW, Battista JJ. A convolution method of calculating dose for 15-MV × rays. Med. Phys. 1985;12:188–196
  26. Ahnesjo A. Collapsed cone convolution of radiant energy for photon dose calculation in heterogeneous media. Med. Phys. 1989;16:577–592

PII: S0958-3947(10)00037-3

doi: 10.1016/j.meddos.2010.03.010

Medical Dosimetry
Volume 36, Issue 3 , Pages 240-245 , Autumn 2011

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