Have a personal or library account? Click to login
Measurement of Head Scatter Factor for Linear Accelerators using Indigenously Designed Columnar Mini Phantom Cover

Measurement of Head Scatter Factor for Linear Accelerators using Indigenously Designed Columnar Mini Phantom

Open Access
|Feb 2012

References

  1. Biggs P. J, Ling C. C. Electron as the cause of the observe dmax shift with field size in high energy beams. Med Phys. 1979; 6: 291-295.10.1118/1.594580
  2. Biggs P J, Russell M. D. An investigation into the presence of secondary electrons in megavoltage photon beams. Phys Med Biol. 1983; 28: 1033-1043.10.1088/0031-9155/28/9/003
  3. Bjarngard B. E, Vadash P. Analysis of central-axis doses for high energy x-rays. Med Phys. 1995; 22: 1191-1195.10.1118/1.597509
  4. Ding G. X. An investigations of accelerator head scatter and output factor in air. Med Phys. 2004; 31: 2527-2533.10.1118/1.1784131
  5. Dutreix A, Bjarngard B. E, Bridier A, Mijnheer B, Shaw J.E, Svensson H. Monitor unit calculation for high energy photon beams. The Netherlands, ESTRO and Garant Publishers, 1997: 101-104.
  6. Heukelom S, Lanson J. H, Mijnheer B. J. Wedge factor constituents of higher-energy photon beams: head and phantom scatter dose components. Radiother Oncol. 1994; 32: 73-83.10.1016/0167-8140(94)90451-0
  7. Holt J. G, Laughlin J. S, Moroney J. P. The extension of the concept of tissue-air ratios (TAR) to high-energy x-ray beams. Radiology. 1970; 96: 437-44610.1148/96.2.4374988187
  8. Johns H. E, Cunningham J. R. The Physics of Radiology. 4th edition. Charles C. Thomas, Springfield. 1983: 336-381.
  9. Jursinic P A, Measurement of head scatter factors of linear accelerators with columnar miniphantoms. Med Phys. 2006; 33: 1720-1728.10.1118/1.220114816872079
  10. Karzmark C J, Deubert A, Loevinger R. Tissue-phantom ratios—An aid to treatment planning. Brit J Radiol. 1965; 38: 158-159.
  11. Khan F M, Sewchand W, Lee J, Williamson J F. Revision of tissue-maximum ratio and scatter-maximum ratio concepts for cobalt 60 and higher energy x-ray beams. Med Phys. 1980; 7: 230-237.10.1118/1.5946486771511
  12. Luxton G, Astrahan M A. Characteristics of high energy photon beam of a 25 MV accelerator. Med Phys. 1988; 15: 82-87.10.1118/1.5961633127667
  13. Luxton G, Astrahan M A, Output factor constituents of a high energy photon beam. Med Phys. 1988; 15: 88-91.10.1118/1.5963003127668
  14. Mackie T R, Scrimger J W. Contamination of a 15-MV photon beam by electrons and scattered photons. Radiology. 1982; 144: 403-409.10.1148/radiology.144.2.68068536806853
  15. McKenzie A L, Stevens P H. Twenty-five years of MTRP—A theoretical and experimental analysis. Phys Med Biol. 1995; 40: 17-29.10.1088/0031-9155/40/1/0037708839
  16. Sjogren R, Karlsson M. Electron contamination in clinical high energy photon beams. Med Phys. 1996; 23: 1873-1881.10.1118/1.5977508947901
  17. Tatcher M, Bjarngard B E. Head-scatter factors in rectangular photon fields. Med Phys. 1993; 20: 205-206.10.1118/1.5970878455501
  18. Van Gasteren J J M, Heukelom S, Jager H N, Mijnheer B J, van Kleffens H J, van der Laarse R. et al. Determination and use of scatter correction factors of megavoltage photon beams. Netherlands Commission on Radiation Dosimetry. NCS Report No. 12. 1998.10.25030/ncs-012
  19. Venselaar J, Heukelom S, Jager N, Mijnheer B, van der Laarse R, van Gasteren H, et al. Effect of electron contamination on scatter correction factors for photon beam dosimetry. Med Phys. 1999; 26: 2099-2106.10.1118/1.59872510535626
  20. Weber L, Nilsson P, Ahnesjo A. Build-up cap materials for measurements of photon head-scatter factors, Phys Med Biol. 1997; 42: 1875-1886.10.1088/0031-9155/42/10/0029364584
  21. Zhu T C, Lam K L, Li X A, Charlie Ma C-M, Palta J R, et al. Report of AAPM Therapy Physic Committee task Group 74: In-air output ratio, Sc, for megavoltage photon beams. Med Phys. 2009; 36: 5261-5291.10.1118/1.322736719994536
DOI: https://doi.org/10.2478/v10013-011-0002-7 | Journal eISSN: 1898-0309 | Journal ISSN: 1425-4689
Language: English
Page range: 13 - 25
Published on: Feb 7, 2012
Published by: Polish Society of Medical Physics
In partnership with: Paradigm Publishing Services
Publication frequency: 4 issues per year

© 2012 Murugan Appasamy, Sidonia Xavier, Thayalan Kuppusamy, Ramasubramanian Velayudham, published by Polish Society of Medical Physics
This work is licensed under the Creative Commons License.

Volume 17 (2011): Issue 1 (March 2011)