Evaluation of the photon monitor backscatter in medical electron accelerators;Bestimmung des monitorrtickstreubeitrags im photonenbetrieb klinischer elektronenlinearbeschleuniger

Strahlentherapie und Onkologie

Volumn 175, Issue 10, 1999, Pages 515-523

  Zrenner, Matthias ^b   Krieger, Hanno ^a  

^a KLINIKUM INGOLSTADT   (Germany)

^b NONE

Author keywords

Clinical dosimetry; Irregular fields; Linear accelerators; Monitor backscatter; Therapy planning

Indexed keywords

ARTICLE; COLLIMATOR; DEVICE; DOSIMETRY; ELECTRON ACCELERATOR; LIGHT; LIGHT SCATTERING; RADIATION FIELD; TREATMENT PLANNING; AUDIOVISUAL EQUIPMENT; HUMAN; INSTRUMENTATION; MAGNETIC AND ELECTROMAGNETIC EQUIPMENT; PHOTON; RADIATION SCATTERING; RADIOMETRY;

HUMANS; MODELS, ANATOMIC; PARTICLE ACCELERATORS; PHOTONS; RADIOMETRY; SCATTERING, RADIATION;

EID: 0032853248     PISSN: 01797158     EISSN: None     Source Type: Journal    
DOI: 10.1007/s000660050063     Document Type: Article

References (18)

1. Ahnesjö A, Knöös T, Montelius A. Application of the convolution method for calculation of outputfactors for therapy photon beams. Med Phys 1992;19:295-304.
2. Chaney EL, Cullip TJ, Gabriel TA. A Monte Carlo study of accelerator head scatter. Med Phys 1994;21:1383-90.
3. Dunscombe PB, Nieminen JM. On the field-size dependence of relative output from a linear accelerator. Med Phys 1992;19:1441-4.
4. Duzenli C, McClean B, Field C, Backscatter into the beam monitor chamber: Implications for dosimetry of asymmetric collimators. Med Phys 1993;20:363-7.
5. Huang PH, Chu J, Bjärngard BE. The effect of collimator backscatter radiation on photon output of linear accelerators. Med Phys 1987;14:268-9.
6. Jaffray DA, Battista JJ, Fenster A, et al. X-ray sources of medical linear accelerators: Focal and extra-focal radiation. Med Phys 1993;20:1417-27.
7. Jursinic PA. Clinical implementation of a two-component x-ray source model for calculation of head-scatter factors. Med Phys 1997;24:2001-7.
8. Kubo H. Telescopic measurements of backscattered radiation from secondary collimator jaws to a beam monitor chamber using a pair of slits. Med Phys 1989;16:295-8.
9. Kubo H, Lo KK. Measurements of backscattered radiation from Therac20 collimator and trimmer jaws into beam monitor chamber. Med Phys 1989;16:292-4.
10. Lam KL, Muthuswamy MS, Haken RKT. Flattening-filter-based empirical methods to parametrize the head scatter factor. Med Phys 1996;23: 343-52.
11. Liu HH, Mackie TR, McCullough EC. A dual source photon beam model used in convolution/superposition dose calculations for clinical megavoltage x-ray beams. Med Phys 1997;24:1960-74.
12. Liu HH, Mackie TR, McCullough EC. Calculating output factors for photon beam radiotherapy using a convolution/superposition method based on a dual source photon beam model. Med Phys 1997;24:1975-85.
13. Luxton G, Astrahan MA. Output factor constituents of a high-energy photon beam. Med Phys 1988;15:88-91.
14. Nilson B, Brahme A. Contamination of high-energy photon beams by scattered photons. Strahlentherapie 1981;157:181-6.
15. Sharpe MB, Jaffray DA, Battista JJ, et al. Extrafocal radiation: A unified approach to the prediction of beam penumbra and output factors für megavoltage x-ray beams. Med Phys 1995;22:2065-74.
16. Watts DL, Ibbott GS. Measurement of beam current and evaluation of scatter production in an 18-MeV accelerator. Med Phys 1987;14:662-4.
17. Yu MK, Sloboda R. Analytical representation of head scatter factors for shaped photon beams using a two-component x-ray source model. Med Phys 1996;23:973-84.
18. Yu MK, Sloboda RS, Mansour F. Measurement of photon beam backscatter from collimators to the beam monitor chamber using target-current-pulse-counting and telescopic techniques. Phys Med Biol 1996;41: 1107-17.