Medical Dosimetry
Volume 35, Issue 2 , Pages 108-114 , Summer 2010

Utility of Megavoltage Fan-Beam CT for Treatment Planning in a Head-And-Neck Cancer Patient with Extensive Dental Fillings Undergoing Helical Tomotherapy

Received 23 April 2008 ,Accepted 10 March 2009.

References 

  1. O'Daniel JC, Rosenthal DI, Garden AS, et al. The effect of dental artifacts, contrast media, and experience on interobserver contouring variations in head and neck anatomy. Am. J. Clin. Oncol. 2007;30:191–198
  2. Fuller CD, Diaz I, Cavanaugh SX, et al. In vivo dose perturbation effects of metallic dental alloys during head and neck irradiation with intensity modulated radiation therapy. Oral Oncol. 2004;40:645–648
  3. Kim Y, Tome WA, Bal M, et al. The impact of dental metal artifacts on head and neck IMRT dose distributions. Radiother. Oncol. 2006;79:198–202
  4. Gunn GB, Sanguineti G, Cianchetti M, et al. Patterns of failure after definitive IMRT for cancer of the oropharynx: A critical analysis. Int. J. Radiat. Oncol. Biol. Phys. 2007;69:S414
  5. Yazdia M, Gingras L, Beaulieu L. An adaptive approach to metal artifact reduction in helical computed tomography for radiation therapy treatment planning: Experimental and clinical studies. Int. J. Radiat. Oncol. Biol. Phys. 2005;62:1224–1231
  6. Robertson DD, Weiss PJ, Fishman EK, et al. Evaluation of CT techniques for reducing artifacts in the presence of metallic orthopedic implants. J. Comput. Assist. Tomogr. 1988;12:236–241
  7. Wang G, Frei T, Vannier MW. Fast iterative algorithm for metal artifact reduction. IEEE Trans. Med. Imaging. 1996;15:657–664
  8. Aubin M, Morin O, Chen J, et al. The use of megavoltage cone-beam CT to complement CT for target definition in pelvic radiotherapy in the presence of hip replacement. Br. J. Radiol. 2006;79:918–921
  9. Morin O, Gillis A, Chen J, et al. Megavoltage cone-beam CT: System description and clinical applications. Med. Dosim. 2006;31:51–61
  10. Meeks SL, Harmon JF, Langen K, et al. Performance characterization of megavoltage computed tomography imaging on a helical tomotherapy unit. Med. Phys. 2005;32:2673–2681
  11. Langen K, Meeks SL, Poole DO, et al. The use of megavoltage CT (MVCT) images for dose recomputations. Phys. Med. Biol. 2005;50:4259–4276
  12. Broderick M, Menezes G, Leech M, et al. A comparison of kilovoltage and megavoltage con beam CT in radiotherapy. J. Radiother. Pract. 2007;6:173–178
  13. Jiang H. Computed Tomography: Principles, Design, Artifacts, and Recent Advances. The Society of Photo-Optical Instrumentation Engineers (SPIE); 2003;Chapter 7
  14. Joseph PM, Ruth C. A method for simultaneous correction of spectrum hardening artifacts in CT images containing both bone and iodine. Med. Phys. 1997;24:1629–1634
  15. Fiorino C, Dell'Oca I, Pierelli A, et al. Significant improvement in normal tissue sparing and target coverage for head and neck cancer by means of helical tomotherapy. Radiother. Oncol. 2006;78:276–282
  16. Sheng K, Molloy J, Larner JM, et al. A dosimetric comparison of non-coplanar IMRT versus helical tomotherapy for nasal cavity and paranasal sinus cancer. Radiother. Oncol. 2007;82:174–178
  17. Sheng K, Molloy J, Read PW. Intensity-modulated radiation therapy (IMRT) dosimetry of the head and neck: A comparison of treatment plans using linear accelerator-based IMRT and helical tomotherapy. Int. J. Radiat. Oncol. Biol. Phys. 2006;65:917–923

PII: S0958-3947(09)00014-4

doi: 10.1016/j.meddos.2009.03.006

Medical Dosimetry
Volume 35, Issue 2 , Pages 108-114 , Summer 2010

Article Tools

* Image Usage & Resolution