A procedure to determine the radiation isocenter size in a linear accelerator

Medical Physics

Volumn 31, Issue 6, 2004, Pages 1489-1493

  Gonzalez A ^a   Castro, I ^a   Martinez J A ^a  

^a HOSPITAL UNIVERSITARIO VIRGEN DE LA ARRIXACA   (Spain)

Author keywords

[No Author keywords available]

Indexed keywords

QUALITY ASSURANCE; STARS;

ACCURACY AND PRECISION; AUTOMATED PROCEDURES; CONCENTRIC CIRCLES; DIFFERENT PLANES; ISOCENTERS; PIXEL SIZE; ROTATION AXES;

LINEAR ACCELERATORS;

ARTICLE; CANCER RADIOTHERAPY; COLLIMATOR; FILM; INTENSITY MODULATED RADIATION THERAPY; LINEAR ACCELERATOR; PHOTON; PRIORITY JOURNAL; QUALITY CONTROL; RADIATION MEASUREMENT; THREE DIMENSIONAL IMAGING; X RAY;

EID: 3042643032     PISSN: 00942405     EISSN: None     Source Type: Journal    
DOI: 10.1118/1.1755491     Document Type: Article

References (13)

1. R. Nath, P. J. Biggs, F. J. Bova, C. C. Ling, J. A. Purdy, J. van de Gein, and M. S. Weinhous, "AAPM code of practice for radiotherapy accelerators: Report of AAPM Radiation Therapy Task Group No. 45," Med. Phys. 21, 1093-1121 (1994).
2. G. J. Kutcher, L. Coia, M. Gillin, W. F. Hanson, S. Leibel, R. J. Morton, J. R. Palta, J. A. Purdy, L. E. Reinstein, G. K. Svenson, M. Weller, and L. Wingfield, "Comprehensive QA for radiation oncology: Report of AAPM Radiation Therapy Commitee Task Group 40," Med. Phys. 21, 581-618 (1994).
3. A. L. Boyer, "Quality assurance foundations in equipment specification, acceptance testing and commissioning," in Quality Assurance in Radiotherapy Physics, edited by G. Starkschall and J. Horton (Medical Physics Publishing, Madison, WI, 1991), pp. 5-21.
4. AAPM Task Group 10, "Code of Practice for x-ray therapy linear accelerators," Med. Phys. 2, 110-121 (1975).
5. F. R. Hudson, "A simple isocenter checking procedure for radiotherapy treatment machines using the optical pointer," Med. Phys. 15, 72-73 (1988).
6. M. K. Woo, "A personal-computer-based method to obtain "star-shots" of mechanical and optical isocenters for gantry rotation of linear accelerators," Med. Phys. 29, 2753-2755 (2002).
7. M. K. Woo, P. O'Brien, B. Gillies, and R. Etheridge, "Mechanical and radiation isocenter coincidence: An experience in linear accelerator alignment," Med. Phys. 19, 357-359 (1992).
8. F. A. Gibbs, Jr., D. Buechler, D. D. Leavitt, and J. H. Moeller, "Measurement of mechanical accuracy of isocenter in conventional linear-accelerator-based radiosurgery," Int. J. Radiat. Oncol., Biol., Phys. 25, 117-122 (1992).
9. J. San Tsai, B. H. Curran, E. S. Sternick, and M. J. Engler, "The measurement of linear accelerator isocenter motion using a three-micrometer device and an adjustable pointer," Int. J. Radiat. Oncol., Biol., Phys. 34, 189-195 (1996).
10. W. R. Lutz, Proceedings of the Symposium on Quality Assurance of Radiotherapy Equipment, in AAPM Symposium Proceedings 3, Kansas City, MO (American Institute of Physics, Woodbury, NY, 1982), pp. 50-73.
11. B. Arjomandy, and M. D. Altschuler, "A quality assurance device for the accuracy of the isocentres of teletherapy and simulation machines," Phys. Med. Biol. 45, 2207-2217 (2000).
12. T. Falco, M. Lachaine, B. Poffenbarger, E. B. Podgorsak, and B. G. Fallone, "Setup verification in linac-based radiosurgery," Med. Phys. 26, 1972-1978 (1999).
13. A. K. Jain, Fundamentals of Digital Image Processing (Prentice-Hall, Englewood Cliffs, NJ, 1989), Vol. 1, Chap. 5, p. 144.