No data available.
Please log in to see this content.
You have no subscription access to this content.
No metrics data to plot.
The attempt to load metrics for this article has failed.
The attempt to plot a graph for these metrics has failed.
An evaluation of ionization chambers for the relative dosimetry of kilovoltage x-ray beams
1.J. Van Dyk, The Modern Technology of Radiation Oncology (Medical Physics, Madison, WI, 1999).
2.J. R. Williams and D. I. Thwaites, Radiotherapy Physics in Practice (Oxford University Press, Oxford, UK, 2000).
3.X. A. Li, C. M. Ma, and D. Salhani, “Measurement of percentage depth dose and lateral beam profile for kilovoltage x-ray therapy beams,” Phys. Med. Biol. 42, 2561–2568 (1997).
4.C. M. Ma, X. A. Li, and J. P. Seuntjens, “Study of dosimetry consistency for kilovoltage x-ray beams,” Med. Phys. 25, 2376–2384 (1998).
7.K. E. Rosser, “Investigation of the chamber correction factor (k(ch)) for the UK secondary standard ionization chamber (NE2561/NE2611) using medium-energy x-rays,” Phys. Med. Biol. 43, 3195–3206 (1998).
8.J. Seuntjens and F. Verhaegen, “Dependence of overall correction factor of a cylindrical ionization chamber on field size and depth in medium-energy x-ray beams,” Med. Phys. 23, 1789–1796 (1996).
9.C. M. Ma, C. W. Coffey, L. A. DeWerd, C. Liu, R. Nath, S. M. Seltzer, and J. P. Seuntjens, “AAPM protocol for 40–300 kV x-ray beam dosimetry in radiotherapy and radiobiology,” Med. Phys. 28, 868–893 (2001).
10.R. J. Aukett, J. E. Burns, A. G. Greener, R. M. Harrison, C. Moretti, A. E. Nahum, and K. E. Rosser, “Addendum to the IPEMB code of practice for the determination of absorbed dose for x-rays below 300 kV generating potential (0.035 mm Al-4 mm Cu HVL),” Phys. Med. Biol. 50, 2739–2748 (2005).
11.P. Andreo, D. T. Burns, K. Hohlfield, M. S. Huq, T. Kanai, F. Laitano, V. Smyth, and S. Vynckier, “Absorbed dose determination in external beam radiotherapy, an international code of practice for dosimetry based on standards of absorbed dose to water,” Technical Report Series No. 398 (International Atomic Energy Agency, Vienna, 2000).
12.I. J. Das, “Broad beam attenuation of kilovoltage photon beams: Effect of ion chambers,” Br. J. Radiol. 71, 68–73 (1998).
13.B. J. Healy, A. Gibbs, R. L. Murry, J. E. Prunster, and K. N. Nitschke, “Output factor measurements for a kilovoltage X-ray therapy unit,” Australas. Phys. Eng. Sci. Med. 28, 115–121 (2005).
14.R. Hill, B. Healy, L. Holloway, and C. Baldock, “An investigation of dose changes for therapeutic kilovoltage X-ray beams with underlying lead shielding,” Med. Phys. 34, 3045–3053 (2007).
16.R. P. Hugtenburg, K. Johnston, G. J. Chalmers, and A. H. Beddoe, “Application of diamond detectors to the dosimetry of 45 and 100 kVp therapy beams: Comparison with a parallel-plate ionization chamber and Monte Carlo,” Phys. Med. Biol. 46, 2489–2501 (2001).
17.E. B. Podgorsak, M. Gosselin, and M. D. Evans, “Superficial and orthovoltage x-ray beam dosimetry,” Med. Phys. 25, 1206–1211 (1998).
18.S. C. Klevenhagen, R. J. Aukett, R. M. Harrison, C. J. Moretti, A. E. Nahum, and K. E. Rosser, “The IPEMB code of practice for the determination of absorbed dose for x-rays below 300 kV generating potential (0.035 mm Al-4 mm Cu HVL; 10-300 kV generating potential). Institution of Physics and Engineering in Medicine and Biology,” Phys. Med. Biol. 41, 2605–2625 (1996).
20.A. Rink, I. A. Vitkin, and D. A. Jaffray, “Energy dependence (75 kVp to 18 MV) of radiochromic films assessed using a real-time optical dosimeter,” Med. Phys. 34, 458–463 (2007).
21.T. Cheung, M. J. Butson, and P. K. Yu, “MOSFET dosimetry in-vivo at superficial and orthovoltage x-ray energies,” Australas. Phys. Eng. Sci. Med. 26, 82–84 (2003).
22.X. A. Li, C. M. Ma, D. Salhani, and O. Agboola, “Dosimetric evaluation of a widely used kilovoltage x-ray unit for endocavitary radiotherapy,” Med. Phys. 25, 1464–1471 (1998).
23.British Journal of Radiology, “Central axis depth dose data for use in radiotherapy,” Br. J. Radiol. Suppl. 25 (1996).
24.E. S. Ali and D. W. Rogers, “Benchmarking EGSnrc in the kilovoltage energy range against experimental measurements of charged particle backscatter coefficients,” Phys. Med. Biol. 53, 1527–1543 (2008).
25.I. Kawrakow, “Accurate condensed history Monte Carlo simulation of electron transport. I. EGSnrc, the new EGS4 version,” Med. Phys. 27, 485–498 (2000).
27.D. J. La Russa, M. McEwen, and D. W. O. Rogers, “An experimental and computational investigation of the standard temperature-pressure correction factor for ion chambers in kilovoltage x rays,” Med. Phys. 34, 4690–4699 (2007).
30.P. Munck Af Rosenschold, P. Nilsson, and T. Knoos, “Kilovoltage x-ray dosimetry-An experimental comparison between different dosimetry protocols,” Phys. Med. Biol. 53, 4431–4442 (2008).
31.F. Ubrich, J. Wulff, R. Kranzer, and K. Zink, “Thimble ionization chambers in medium-energy x-ray beams and the role of constructive details of the central electrode: Monte Carlo simulations and measurements,” Phys. Med. Biol. 53, 4893–4906 (2008).
32.F. Verhaegen, “Evaluation of the EGSnrc Monte Carlo code for interface dosimetry near high-Z media exposed to kilovolt and 60Co photons,” Phys. Med. Biol. 47, 1691–1705 (2002).
33.M. J. Butson, J. Mathur, and P. E. Metcalfe, “Dose characteristics of a new 300kVp orthovoltage machine,” Australas. Phys. Eng. Sci. Med. 18, 133–138 (1995).
35.A. S. Meigooni, Z. Li, V. Mishra, and J. F. Williamson, “A comparative study of dosimetric properties of Plastic Water and Solid Water in brachytherapy applications,” Med. Phys. 21, 1983–1987 (1994).
37.ISO, Guide to the Expression of Uncertainties in Measurement, 2nd ed. (International Organisation for Standardization, Geneva, Switzerland, 1995).
38.M. R. McEwen, I. Kawrakow, and C. K. Ross, “The effective point of measurement of ionization chambers and the build-up anomaly in MV x-ray beams,” Med. Phys. 35, 950–958 (2008).
39.D. W. O. Rogers, B. A. Faddegon, G. X. Ding, C. M. Ma, J. We, and T. R. Mackie, “BEAM: A Monte Carlo code to simulate radiotherapy treatment units,” Med. Phys. 22, 503–524 (1995).
40.D. W. O. Rogers, B. R. B. Walters, and I. Kawrakow, “BEAMnrc users manual,” Technical Report No. PIRS-509(a) (National Research Council of Canada, Ottawa, Canada, 2005).
41.D. W. O. Rogers, I. Kawrakow, J. Seuntjens, B. R. B. Walters, and E. Mainegra-Hing, “NRC user codes for EGSnrc,” Technical Report No. PIRS-702 (rev B) (National Research Council of Canada, Ottawa, Canada, 2005).
42.I. Kawrakow, D. W. Rogers, and B. R. Walters, “Large efficiency improvements in BEAMnrc using directional bremsstrahlung splitting,” Med. Phys. 31, 2883–2898 (2004).
43.D. Jurado, T. Eudaldo, P. Carrasco, N. Jornet, A. Ruiz, and M. Ribas, “Pantak Therapax SXT 150: Performance assessment and dose determination using IAEA TRS-398 protocol,” Br. J. Radiol. 78, 721–732 (2005).
44.S. Agostinelli, S. Garelli, M. Piergentili, and F. Foppiano, “Response to high-energy photons of PTW31014 PinPoint ion chamber with a central aluminum electrode,” Med. Phys. 35, 3293–3301 (2008).
Article metrics loading...
Full text loading...
Most read this month