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Exit Dose Measurement in Therapeutic High Energy Photon Beams and Cobalt-60 Gamma Rays Cover

Exit Dose Measurement in Therapeutic High Energy Photon Beams and Cobalt-60 Gamma Rays

By: S. Sathiyan and  M. Ravikumar  
Open Access
|Dec 2008

References

  1. Biggs PJ, Ling CC. Electrons as the cause of the observed Dmax shift with field size in high energy photon beams. Med Phys 1979; 6: 291-295.10.1118/1.594580113656
  2. Clarkson JR, Herbert RJT. Surface and emergent doses in radiotherapy. Br J Radiol 1948; 21: 494-500.10.1259/0007-1285-21-250-49418885791
  3. Gagnon WF, Grant WG. Surface dose from megavoltage therapy machines Radiology 1973; 117: 705-708.10.1148/117.3.705810828
  4. Geode MR, Anderson DW, McCray KL. Corrections to megavoltage depth dose values due to reduced backscatter thickness. Med Phys 1977; 2: 123-126.10.1118/1.594308403397
  5. Gagnon WF, Hortan JL. Physical factors affecting absorbed dose from cobalt-60 gamma rays and 25 MV X-rays. Med Phys 1979; 6: 285-290.10.1118/1.594583113655
  6. Gerbi B, Khan F. Measurement of dose in the buildup region using fixed separation plan-parallel ionization chambers. Med Phys 1990; 17: 17-26.10.1118/1.5965222106611
  7. International Commission on Radiation Units and Measurements. Determination of absorbed dose in patients irradiated by beams of X and gamma rays in radiotherapy procedures. 1976 ICRU Report 24 (Washington DC, USA).
  8. Johns HE Cunningham R. The physics of Radiology (Thomas Springfield, Illinois 1969) 316-317.
  9. Krithivas G, Rao SH. A study of the characteristics of radiation contaminants within a clinically useful photon beam. Med Phys 1985;12: 764-768.10.1118/1.5956614079869
  10. Klein EE, Purdy JA. Entrance and exit dose regions for a Clinac-2100C. Int J Radiat Oncol Biol Phys 1993; 9: 429-435.
  11. Legare JM. Exit-surface-dose correction factors for X-rays of 1.5 to 4.0 mm Cu half value layer. Radiology 1964; 82: 272-276.10.1148/82.2.27214115309
  12. Lambert GD, Liversage WE, Hirst AM, Doughty D. Exit dose studies in megavoltage photon therapy. Br J Radiol 1983; 56: 329-334.10.1259/0007-1285-56-665-3296405835
  13. Meredith WJ, Massey JB. Fundamental Physics of Radiology (Williams and Wilkins, Baltimore 1972) 413.
  14. Petti PL, Goodman MS, Gabriel TA, Mohan R. Investigation of buildup dose from electron contamination of clinical photon beams. Med Phys 1983; 10: 18-24.10.1118/1.5952876405143
  15. Purdy JA. Buildup/surface dose and exit dose measurements for a 6-MV linear accelerator. Med Phys 1986; 13: 259-262.10.1118/1.5959083084928
  16. Ravikumar M, Ravichandran R. Dose measurements in the build-up region for the photon beams from Clinac-1800 dual energy medical linear accelerator Strahlenther. Onkol 2000; 5: 223-228.
  17. Tannous NBJ, Gagnon WF, Almond PR. Buildup region and skin dose measurements for the Therac 6 linear accelerator for radiation therapy. Med Phys 1981; 8: 378-381.10.1118/1.5949616798394
  18. Velkley DE, Manson DJ, Purdy JA, Oliver GD. Build-up region of megavoltage photon radiation sources. Med Phys 1975; 2: 14-19.10.1118/1.594158805358
DOI: https://doi.org/10.2478/v10013-007-0012-7 | Journal eISSN: 1898-0309 | Journal ISSN: 1425-4689
Language: English
Page range: 139 - 148
Published on: Dec 30, 2008
Published by: Polish Society of Medical Physics
In partnership with: Paradigm Publishing Services
Publication frequency: 4 issues per year

© 2008 S. Sathiyan, M. Ravikumar, published by Polish Society of Medical Physics
This work is licensed under the Creative Commons License.

Volume 13 (2007): Issue 3 (September 2007)