A filtration method for improving film dosimetry in photon radiation therapy

Medical Physics

Volumn 24, Issue 12, 1997, Pages 1943-1953

  Yeo, Inhwan J ^a,c   Wang, C K Chris ^a   Burch, Sandra E ^b  

^a GEORGIA INSTITUTE OF TECHNOLOGY   (United States)

^b MEDICAL COLLEGE OF GEORGIA   (United States)

^c ST JUDE CHILDREN S RESEARCH HOSPITAL   (United States)

Author keywords

Film filter optimization; Monte Carlo method; X ray film dosimetry

Indexed keywords

ATOMS; DOSIMETERS; DOSIMETRY; IONIZATION CHAMBERS; OPTIMAL SYSTEMS; PARTICLE BEAMS; PHANTOMS; PHOTOELECTRONS; PHOTONS; RADIOTHERAPY; X RAY FILMS; X RAYS;

DEPTH DOSE MEASUREMENTS; DOSE DISTRIBUTIONS; FILM DOSIMETRY; FILTER OPTIMIZATION; FILTRATION METHODS; LOW ENERGY PHOTONS; MONTE CARLO TECHNIQUES; TREATMENT VERIFICATION;

MONTE CARLO METHODS;

ARTICLE; CALCULATION; DOSIMETRY; FILTRATION; HEALTH PHYSICS; MATHEMATICAL ANALYSIS; PHANTOM; PHOTOTHERAPY; PRIORITY JOURNAL; SYSTEM ANALYSIS; X RAY FILM;

EID: 0031454940     PISSN: 00942405     EISSN: None     Source Type: Journal    
DOI: 10.1118/1.598108     Document Type: Article

References (30)

1. F. R. Hendricson, "Precison in radiation oncology," Int. J. Radiat. Oncol., Biol., Phys. 8, 311-312 (1982).
2. AAPM Task Group 21, "A protocol for the determination of absorbed dose from high energy photon and electron beams," Med Phys. 10, 741 (1983).
3. ICRU 23, "Measurement of absorbed dose in a phantom irradiated by a single beam of X or gamma rays" (ICRU Publications, Washington D. C., 1973), pp. 91-149.
4. P. J. Muench, A. S. Meigooni, R. Nath, and W. L. McLaughlin, "Photon energy dependence of the sensitivity of radiochromic film and comparison with silver halide film and LiF TLDs used for brachytherapy dosimetry," Med. Phys. 18, 769-775 (1991).
5. W. L. McLaughlin, Y-D. Chen, C. G. Soares, A. Miller, G. V. Dyk, and D. F. Lewis, "Sensitometry of the response of a new radiochromic film dosimeter to gamma radiation and electron beams," Nucl. Instrum. Methods Phys. Res. 302, 165-176 (1991).
6. W. L. McLaughlin, A. Miller, R. M. Uribe, S. Kronenberg, and C R. Siebentritt, "Energy dependence of radiochromic dosimeter response to x- and g-rays," High-Dose Dosimetry, IAEA publication STT/PUB/691, Vienna, 397-424 (1985).
7. W. L. McLaughlin, A. Miller, S. Fidan, K. Pejtersen, and W. B. Pedersen, "Radiochromic plastic films for accurate measurement of radiation absorbed dose and dose distributions," Radiat. Phys. Chem. 10, 119-127 (1977).
8. M. C. Saylor, T. T. Tarmargo, W. L. McLaughlin, H. M. Khan, D F. Lewis, and R. D. Schenfele, "A thin film recording medium for use in food irradiation," Radiat. Phys. Chem. 31, 529-536 (1988).
9. F. H. Attix, Introduction to Radiological Physics and Radiation Dosimetry (Wiley, New York, 1986)
10. J. H. Hubbell, "Photon mass attenuation and energy-absorption coefficients from 1 keV to 20 MeV," Int. J. Appl. Radiat. Isot. 33, 1269-1290 (1982).
11. A. S. Meigooni, M. Sanders, G. Ibbott, and S. R. Szeglin, "Dosimetric characteristics of an improved radiochromic film," Med. Phys. 22, 952 (Abstract) (1995).
12. M. J Maryanski, C. Audet, and J. C. Gore, "Dose response of BANG polymer gel dosimeter: temperature dependence," Med. Phys. 22, 951 (Abstract) (1995).
13. P. S. Wong, G. D. Clarke, R. W. McColl, M. J. Maryanski, and E. Glatstein, "Imaging of radiation dose in two different types of gel-based dosimeters: A comparison between FAX and BANG," Med Phys. 22, 951 (Abstract) (1995).
14. M. Ehrlich, Photographic Dosimetry of X- and Gamma Rays (U.S. Department of Commerce, Washington, D C., 1954).
15. J. R. Greening, "The photographic action of x-rays," Proc. Phys. Soc. London. Sect. B 64, 977-992 (1951).
16. M. J. Heard, "Photographic radiation dosimetry and the development of the A.E.R.E./R.P.S. film dosimeter," J. Photo. Sci. 13, 32 (1965).
17. P. J. Muench, A. S. Meigooni, R. Nath, and W L. McLaughlin, "Photon energy dependence of the sensitivity of radiochromic film and comparison with silver halide film and LiF TLDs used for brachytherapy dosimetry," Med. Phys. 18, 769-775 (1991).
18. R. C. Granke, K. A. Wright, W. W. Evans, J. E Nelson, and J. C Trump, "The film method of tissue dose studies with 2.0 MeV Roentgen rays," Am. J. Roentgenol., Radium Ther Nucl. Med 72, 302-307 (1954)
19. G. Hine, "The range of usefulness of photographic film in Roentgen dosimetry," Am. J. Roentgenol. 72, 293-301 (1954).
20. J. S. Laughlin and W. D. Davies, "Procedures in dose distribution measurement of 25-MeV x-rays," Science 111, 514-516 (1950).
21. A. Jacobson, "4 MeV x-ray film dosimetry," Radiology 103, 703-704 (1972).
22. J. A. Purdy, "Instrumentation for dosimetric measurements," Electron linear accelerators in radiation therapy, AAPM Special Workshop (March 27-29, 1978).
23. J. F. Williamson, F. M. Khan, and S. C. Shanna, "Film dosimetry of megavoltage photon beams: A practical method of isodensity to isodose curve conversion," Med. Phys. 8, 94-98 (1981).
24. S. E. Burch, "Radiotherapy film densitometry using a slow-scan, cooled, digital CCD imaging system," Ph.D Dissertation. Georgia Institute of Technology, 1993.
25. P. G. Nutting, "On the absorption of light in heterogeneous media," Philos. Mag. 26, 423 (1913)
26. T. H. James et al., The Theory of the Photographic Process, edited by T. H. James (Macmillan, New York, 1977).
27. I. J. Yeo and Y Zhu, "Portal dosimetry using x-ray film: A computational and experimental study," submitted to Med Phys. (1997).
28. ICRU 35, "Film dosimeters," in Radiation Dosimetry: Electron Beams with Energies Between 1 and 50 MeV (ICRU, Washington, D. C., 1984).
29. J. A. Halbleib, R. P. Kensek, T. A Mehlhorn, and G. D. Valdez, "ITS 3 0 Integrated Tiger Series of Coupled Electron/Photon Monte Carlo Transport Codes System," SAND91-1634, Sandia National Laboratory (1992).
30. R. Mohan, C Chui, and L. Lidofsky, "Energy and angular distributions of photons for medical linear accelerators," Med. Phys. 12, 592-597 (1985).