A three-dimensional algorithm for optimizing beam weights and wedge filters

Medical Physics

Volumn 25, Issue 10, 1998, Pages 1858-1865

  Xing, Lei ^a   Hamilton, R J ^b   Pelizzari, C ^b   Chen, G T Y ^b  

^a STANFORD UNIVERSITY   (United States)

^b UNIVERSITY OF CHICAGO   (United States)

Author keywords

Conformal radiotherapy; Optimization; Treatment planning; Wedge

Indexed keywords

IMAGE RECONSTRUCTION; OPTIMIZATION; ORTHOGONAL FUNCTIONS; RADIOTHERAPY;

CONFORMAL RADIOTHERAPY; EFFECTIVE ALGORITHMS; INCIDENT BEAM DIRECTION; RADIATION THERAPY TREATMENT PLANNING; THREE DIMENSIONAL ALGORITHM; TREATMENT PLANNING; VARIABLE TRANSFORMATION; WEDGE;

ITERATIVE METHODS;

ALGORITHM; ARTICLE; AUTOMATION; CANCER RADIOTHERAPY; DOSE CALCULATION; FILTER; HUMAN; LUNG CANCER; PHANTOM; PRIORITY JOURNAL; RADIATION DOSE DISTRIBUTION; THREE DIMENSIONAL IMAGING; TONSIL CARCINOMA; TREATMENT PLANNING;

EID: 0031732271     PISSN: 00942405     EISSN: None     Source Type: Journal    
DOI: 10.1118/1.598375     Document Type: Article

References (19)

1. R. Mohan, X. Wang, A. Jackson, T. Bortfeld, A. L. Boyer, G. J Kutcher, S. A. Leibel, Z. Fuks, and C. C. Ling, "The potential and limitations of the inverse radiotherapy technique," Radiother. Oncol 32, 232-248 (1994).
2. T. Bortfeld, J Ürkelbach, R. Boesecke, and W. Schlegel, "Methods of image reconstruction from projections applied to conformation therapy," Phys. Med. Biol. 35, 1423-1434 (1990).
3. A. Brahme, "Treatment optimization using physical and radiobiological objective functions," in Radiation Physics, edited by A. R. Smith (Springer, Berlin, 1995), pp. 210-246.
4. G. A. Ezzell, "Genetic and geometric optimization of three-dimensional radiation therapy," Med. Phys. 23, 293-305 (1996).
5. S. Webb, "Optimizing the planning of intensity-modulated radiotherapy," Phys. Med. Biol. 39, 2229-2246 (1994).
6. G. Starkschall, "A constrained least-squares optimization method for external beam radiation therapy treatment planning," Med. Phys. 11, 659-665 (1984).
7. G. Starkschall, "An iterative beam-weight optimization tool for three-dimensional radiotherapy treatment planning," Med. Phys. 19, 155-163 (1992).
8. A. T. Redpath, B. L. Vickery, and D H. Wright, "A new technique for radiotherapy planning using quadratic programming," Phys. Med. Biol. 21, 781-791 (1974).
9. S. C. McDonald and P. Rubin, "Optimization of external beam radiation therapy," Im. J. Radiat. Oncol., Biol., Phys. 2, 307-317 (1977).
10. W. D. Powlis, M. D. Altschuler, Y. Censor, and E. L. Buhle Jr., "Semi-automated radiotherapy treatment planning with a mathematical mode! to satisfy treatment goals," Int. J. Radiat. Oncol., Biol , Phys. 16, 271-276 (1989).
11. G Sherouse, "A mathematical basis for selection of wedge angle and orientation," Med. Phys. 20, 1211-1218 (1993).
12. B. D. Milliken, R. J. Hamilton, and S. J. Rubin, "The omni wedge: A method to produce wedged fields at arbitrary orientation," Med. Phys. 23, 337-342 (1996).
13. P. L. Petti and R. L. Siddon, "Effective wedge angles with a universal wedge," Phys. Med. Biol. 30, 985-991 (1985)
14. Lei Xing, C. Pelizzari, F. Kuchnir, and G. T Y. Chen, "Optimization of relative beam weights and wedge angles in treatment planning," Med Phys. 24, 215-221 (1997).
15. ICRU, "Determination of absorbed dose in a patient irradiated by beams of X or Gamma rays in radiotherapy procedures," ICRU Report No. 24, ICRU, Washington, D.C., 1976.
16. R. A Brooks and G. Di Chiro, "Principles of computer assisted tomography (CAT) in radiographic and radioisotopic imaging," Phys. Med. Biol. 21, 689-732 (1976).
17. L. Xing and G. T. Y. Chen, "Iterative methods for inverse treatment planning," Phys. Med. Biol. 41, 2107-2123 (1996).
18. R. L. Siddon, "Fast calculation of the exact radiological path for a three-dimensional CT array," Med. Phys. 12, 252-255 (1985).
19. T. W. Holmes and T. R. Mackie, "A comparison of three inverse treatment planning algorithms," Phys Med. Biol 39, 91-106 (1994).