Medical Dosimetry
Volume 22, Issue 3 , Pages 247-251 , Autumn 1997

New application of enhanced dynamic wedge for tangent breast irradiation

  • Dennis D. Leavitt, Ph.D.

      Affiliations

    • Corresponding Author InformationReprint requests to: Dennis Leavitt, Ph.D., University of Utah School of Medicine, Department of Radiation Oncology, 50 North Medical Drive, Salt Lake City, UT 84132.

References 

  1. Sewchand W, Khan FM, Williamson J. Variation in depth dose data between open and wedge fields for 4-MV X-ray. Radiology. 1978;127:789–792
  2. Wu A, Zwicher RD, Krasin K, Sternick ES. Dosimetry characteristics of large wedges for 4- and 6-MV X-rays. Med. Phys. 1984;11:186–188
  3. McCullough EG, Rortney J, Blackwell CR. A depth dose dependence determination of the wedge transmission factor for 4–10 MV photon beams. Med. Phys. 1988;15:621–623
  4. Palta JR, Daftari I, Suntharalingam N. Field size dependence of wedge factors. Med. Phys. 1988;15:624–626
  5. Lee Y, Guru Prasad S, Parthasaradhi K, Satyanarayana H, Pepela M, Garces RM. Study of wedge transmission factors. Med. Phys. 1989;16:481
  6. Kalend AM, Wu A, Yoder V, Mantz A. Separation of dosegradient effect from beam hardening effect on wedge factors in photon fields. Med. Phys. 1990;17:701–704
  7. Nioomrand-Rad A, Haleem M, Rogers J, Obcemea C. Wedge factor dependence on depth and field size for various beam energies using symmetric and half-collimated asymmetric jaw setting. Med. Phys. 1992;19:1445–1450
  8. Tatcher M. Method for varying effective angle of wedge filters. Radiology. 1970;97:132
  9. Mansfield CM, Suntharalingam N, Chow N. Experimental verification of a method for varying the effective angle of wedge filters. Am. J. Roentgenol. 1974;120:699–702
  10. Petti PL, Siddon RL. Effective wedge angles with a universal wedge. Phys. Med. Biol. 1985;30:985–991
  11. Cheng CW, Chin LM. A computer-aided treatment planning technique for universal wedges. Int. J. Radiat. Oncol. Biol. Phys. 1987;13:1821–1827
  12. Knoos T, Wittgren L. Which depth dose data should be used for dose planning when wedge filters are used to modify the photon beam?. Phys. Med. Biol. 1991;36:255–267
  13. Ayyangar K, Palta J, Suntharalingam N. Dose distribution optimization for tangential irradiation of breast. Med. Phys. 1985;12:504
  14. Baker CM, Filimonov A, Conine F, Coughlin CT. Treatment of the intact breast using tangent split beam fields and half 15 degree wedges as tissue compensators. Radiol. Technol. 1986;58:135–138
  15. Chin LM, Cheng CW, Siddon RL, Rice RK, Mihnheer BJ, Harris JR. Three-dimensional photon dose distributions with and without lung corrections for tangential breast intact treatments. Int. J. Radiat. Oncol. Biol. Phys. 1989;17:1327–1334
  16. Webb S, Leach MO, Bentley RE, Maureemootoo K, Yarnold JR, Toms MA, et al. Clinical dosimetry for radiotherapy to the breast based on imaging with the prototype Royal Marsden Hospital CT simulator. Phys. Med. Biol. 1987;7:835–845
  17. Levene MB, Kijewski PK, Chin LM, Biarngard BE, Hellman S. Computer controlled radiation therapy. Radiology. 1978;129:769–775
  18. Kijewski PK, Chin LM, Bjarngard BE. Wedge-shaped dose distributions by computer-controlled collimator motion. Med. Phys. 1978;5:426–429
  19. Leavitt DD, Martin M, Moeller JH, Lee WL. Dynamic wedge field techniques through computer controlled collimator motion and dose delivery. Med. Phys. 1990;17:87–91
  20. Leavitt DD. Dynamic beam shaping. Med. Dosim. 1990;15:47–50
  21. Clewlow JP, Waggener RG, Feldmeier JJ, Bice WS. Film dosimetry of a Varian dynamic wedge. Med. Phys. 1992;19:815
  22. Cramb JA, Perkins AE, Junor PA, Ackenly TL. Commissioning and clinical use of the dynamic wedge. In: Varian Dynamic Wedge Users' Meeting Proceedings. Calgary, Canada. August 1992;
  23. Huntzinger CJ. Dynamic wedge: a physicist's perspective. In: Varian Dynamic Wedge Users' Meeting Proceedings. Calgary, Canada. August 1992;
  24. Leavitt DD, Larson LG. Evaluation of a diode array for measurement of dynamic wedge dose distributions. Med. Phys. 1993;20:381–382
  25. Leavitt DD. Ion chamber and film densitometric techniques for dynamic wedge. In: Varian Dynamic Wedge Users' Meeting Proceedings. Calgary, Canada. August 1992;
  26. Leavitt DD, Gibbs FA. Clinical aspects and experience with dynamic wedge. In: Varian 14th. Users' Meeting Proceedings. Waikoloa, Hawaii. May 1992;

PII: S0958-3947(97)00027-7

Medical Dosimetry
Volume 22, Issue 3 , Pages 247-251 , Autumn 1997

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