Quality assurance for dynamic multileaf collimator modulated fields using a fast beam imaging system

Medical Physics

Volumn 24, Issue 8, 1997, Pages 1213-1220

  Ma, Lijun ^a   Geis, Paul B ^a   Boyer, Arthur L ^a  

^a STANFORD UNIVERSITY   (United States)

Author keywords

Conformal therapy; Intensity modulation; Multileaf collimators; Portal image; Quality assurance

Indexed keywords

BIOMEDICAL ENGINEERING; CHARGE COUPLED DEVICES; CORRELATION METHODS; GADOLINIUM COMPOUNDS; IMAGING SYSTEMS; OPTICAL COLLIMATORS; PERSONAL COMPUTERS; QUALITY ASSURANCE; X RAYS;

CONFORMAL RADIOTHERAPY; CONFORMAL THERAPY; CORRELATION COEFFICIENT; DYNAMIC MULTILEAF COLLIMATORS; INTENSITY MODULATIONS; MULTILEAF COLLIMATORS; PORTAL IMAGES; QUALITY ASSURANCE PROCEDURES;

PATIENT TREATMENT;

ARTICLE; COLLIMATOR; COMPUTER; IMAGING SYSTEM; PRIORITY JOURNAL; QUALITY CONTROL; SCINTILLATION; X RAY;

EID: 0030767978     PISSN: 00942405     EISSN: None     Source Type: Journal    
DOI: 10.1118/1.598157     Document Type: Article

References (17)

1. A. L. Boyer, T. Bortfeld, D. Kahler, G. Starkshall, and T. Waldron, "Multileaf collimation for 3D conformal therapy," Proceedings of the 3D Radiation Treatment Planning and Conformal Therapy International Symposium, St. Louis, MO (Medical Physics Publishing, Madison, 1993).
2. S. Webb, The Physics of Three-Dimensional Radiation Therapy (Institute of Physics Publishing, Bristol and Philadelphia, 1993).
3. T. Bortfeld, A. L. Boyer, W. Schlegel, D. L. Kahler, and T. J. Waldron, "Realization and verification of three-dimensional conformal radiotherapy with modulated fields," Int. J. Radiat. Oncol. Biol. Phys. 30, 889-908 (1994).
4. T. Bortfeld, D. L. Kahler, T. J. Waldron, and A. L. Boyer, "X-ray field compensation with multileaf collimators," Int. J. Radiat. Oncol. Biol. Phys. 28, 723-730 (1994).
5. A. L. Boyer, T. R. Bortfeld, L. Kahler, and T. J. Waldron, "MLC modulation of x-ray beams in discrete steps," Proceedings of the Xlth Conference on the Use of Computers in Radiation Therapy, Manchester, England (IOP Publishing, London, 1994).
6. D. J. Convery and M. E. Rosenbloom "The generation of intensity-modulated fields for conformal radiotherapy by dynamic collimation," Phys. Med. Biol. 37, 1359-1374 (1992).
7. S. V. Spirou and C. S. Chui, "Generation of arbitrary intensity profiles by dynamic jaws or multileaf collimators," Med. Phys. 21, 1031-1041 (1994).
8. P. Geis, A. L. Boyer, and N. H. Wells, "Use of multileaf collimator as a dynamic missing-tissue compensator," Med. Phys. 23, 1199-1205 (1996).
9. B. Fraass, "Quality assurance for 3D treatment planning," Proceedings of the 1996 Summer School, Teletherapy: Present and Future, edited by T. R. Mackie and J. R. Palta (Advanced Medical Publishing, Madison, 1996), pp. 253-318.
10. X. Wang, S. Spirou, T. LoSasso, J. Stein, C. S. Chui, and R. Mohan, "Dosimetric verification of intensity-modulated fields," Med. Phys. 23, 317-327 (1996).
11. A. L. Boyer, L. Antonuk, A. Fenster, M. Van Herk, H. Meertens, P. Munro, L. E. Reinstein, and J. Wong, "A review of electronic portal imaging devices," Med. Phys. 19, 1-16 (1992).
12. W. Swindell, E. Morton, P. Evans, and D. Lewis, "The design of megavoltage imaging systems: Some theoretical aspects," Med. Phys. 18, 855-866 (1991).
13. T. Radcliffe, G. Barnea, B. Wowk, R. Rajapakshe, and S. Shalev, "Monte Carlo optimization of metal/phosphor screens at megavoltage energies," Med. Phys. 20, 1161-1169 (1993).
14. D. A. Jaffray, J. J. Battista, A. Fenster, and P. Munro, "Monte Carlo studies of x-ray energy absorption and quantum noise in megavoltage transmission radiography," Med. Phys. 22, 1077-1088 (1995).
15. L. Dong and A. L. Boyer, "An image correlation procedure for digitally reconstructed radiographs and electronic portal images," Int. J. Radiat. Oncol. Biol. Phys. 33, 1053-1060 (1995).
16. Wellhofer Dosimetrie, Inc. (private communication, 1996).
17. M. B. Sharpe, D. A. Jaffray, and P. Munro, "Extrafocal radiation: A unified approach to the prediction of beam penumbra and output factors for megavoltage x-ray beams," Med. Phys. 22, 2065-2067 (1995).