Detector comparison for small field output factor measurements in flattening filter free photon beams

Radiotherapy and Oncology

Volumn 109, Issue 3, 2013, Pages 356-360

  Lechner, Wolfgang ^a   Palmans, Hugo ^b   Sölkner, Lukas ^a   Grochowska, Paulina ^c   Georg, Dietmar ^a  

^a MEDICAL UNIVERSITY OF VIENNA   (Austria)

^b NATIONAL PHYSICAL LABORATORY   (United Kingdom)

^c INTERNATIONAL ATOMIC ENERGY AGENCY   (Austria)

Author keywords

Alanine; FFF; Flattening filter free; Output factors; Small fields

Indexed keywords

ALANINE; DIAMOND; SILICONE; WATER;

ARTICLE; CONTROLLED STUDY; DIODE; DOSIMETER; DOSIMETRY; IONIZATION CHAMBER; LINEAR ACCELERATOR; PHOTON THERAPY; PRIORITY JOURNAL; RADIATION BEAM; RADIATION DETECTOR; RADIATION DOSE; RADIATION FIELD; RADIATION MEASUREMENT; RADIATION RESPONSE; RADIOLOGY PHANTOM; UNCERTAINTY; CALIBRATION; CHEMISTRY; COMPARATIVE STUDY; DEVICES; FILTRATION; IMAGE QUALITY; MAGNETIC AND ELECTROMAGNETIC EQUIPMENT; PHOTON; RADIOMETRY;

ALANINE; CALIBRATION; FILTRATION; PARTICLE ACCELERATORS; PHANTOMS, IMAGING; PHOTONS; RADIOMETRY; UNCERTAINTY;

EID: 84890127894     PISSN: 01678140     EISSN: 18790887     Source Type: Journal    
DOI: 10.1016/j.radonc.2013.10.022     Document Type: Article

References (42)

1. D. Georg, T. Knöös, and B. McClean Current status and future perspective of flattening filter free photon beams Med Phys 38 2011 1280 1293
2. L. Cozzi, A. Clivio, and G. Bauman Comparison of advanced irradiation techniques with photons for benign intracranial tumours Radiother Oncol 80 2006 268 273
3. S. Lang, B. Shrestha, and S. Graydon Clinical application of flattening filter free beams for extracranial stereotactic radiotherapy Radiother Oncol 2013
4. Aspradakis MM, Byrne JP, Palmans H, et al. Small field MV photon dosimetry. IPEM Report 103, York, UK: IPEM; 2010.
5. H. Palmans Small and composite field dosimetry: the problems and recent progress. Standards, applications and quality assurance in medical radiation dosimetry Proceedings of an international symposium, Vienna 1 2011 IAEA Vienna, Austria 161 180
6. I.J. Das, G.X. Ding, and A. Ahnesjö Small fields: nonequilibrium radiation dosimetry Med Phys 35 2008 206 215
7. C. McKerracher, and D.I. Thwaites Assessment of new small-field detectors against standard-field detectors for practical stereotactic beam data acquisition Phys Med Biol 44 1999 2143 2160
8. I.J. Das, O. Sauer, and A. Ahnesjö WE-A137-01: small field dosimetry Med Phys 40 2013 465
9. A.J.D. Scott, S. Kumar, A.E. Nahum, and J.D. Fenwick Characterizing the influence of detector density on dosimeter response in non-equilibrium small photon fields Phys Med Biol 57 2012 4461 4476
10. J.D. Fenwick, S. Kumar, A.J.D. Scott, and A.E. Nahum Using cavity theory to describe the dependence on detector density of dosimeter response in non-equilibrium small fields Phys Med Biol 58 2013 2901 2923
11. G. Cranmer-Sargison, S. Weston, J.A. Evans, N.P. Sidhu, and D.I. Thwaites Implementing a newly proposed Monte Carlo based small field dosimetry formalism for a comprehensive set of diode detectors Med Phys 38 2011 6592 6602
12. R. Alfonso, P. Andreo, and R. Capote A new formalism for reference dosimetry of small and nonstandard fields Med Phys 35 2008 5179 5186
13. E. Pantelis, C. Antypas, and L. Petrokokkinos Dosimetric characterization of CyberKnife radiosurgical photon beams using polymer gels Med Phys 35 2008 2312 2320
14. E. Pantelis, A. Moutsatsos, and K. Zourari On the implementation of a recently proposed dosimetric formalism to a robotic radiosurgery system Med Phys 37 2010 2369 2379
15. P. Francescon, S. Cora, and N. Satariano Calculation of k(Q(clin), Q(msr)) (f(clin), f(msr)) for several small detectors and for two linear accelerators using Monte Carlo simulations Med Phys 38 2011 6513 6527
16. A.J.D. Scott, A.E. Nahum, and J.D. Fenwick Using a Monte Carlo model to predict dosimetric properties of small radiotherapy photon fields Med Phys 35 2008 4671 4684
17. A.J.D. Scott, A.E. Nahum, and J.D. Fenwick Monte Carlo modeling of small photon fields: quantifying the impact of focal spot size on source occlusion and output factors, and exploring miniphantom design for small-field measurements Med Phys 36 2009 3132 3144
18. E. Pantelis, A. Moutsatsos, and K. Zourari On the output factor measurements of the CyberKnife iris collimator small fields: Experimental determination of the k(Q(clin), Q(msr)) (f(clin), f(msr)) correction factors for microchamber and diode detectors Med Phys 39 2012 4875 4885
19. A. Ralston, P. Liu, K. Warrener, D. McKenzie, and N. Suchowerska Small field diode correction factors derived using an air core fibre optic scintillation dosimeter and EBT2 film Phys Med Biol 57 2012 2587 2602
20. P. Francescon, W. Kilby, N. Satariano, and S. Cora Monte Carlo simulated correction factors for machine specific reference field dose calibration and output factor measurement using fixed and iris collimators on the CyberKnife system Phys Med Biol 57 2012 3741 3758
21. G. Kragl, S. af Wetterstedt, and B. Knäusl Dosimetric characteristics of 6 and 10 MV unflattened photon beams Radiother Oncol 93 2009 141 146
22. D. Georg, G. Kragl, and S. af Wetterstedt Photon beam quality variations of a flattening filter free linear accelerator Med Phys 37 2010 49 53
23. G. Kragl, F. Baier, and S. Lutz Flattening filter free beams in SBRT and IMRT: dosimetric assessment of peripheral doses Z Med Phys 21 2011 91 101
24. G. Kragl, D. Albrich, and D. Georg Radiation therapy with unflattened photon beams: dosimetric accuracy of advanced dose calculation algorithms Radiother Oncol 100 2011 417 423
25. I.J. Das, C.-W. Cheng, and R.J. Watts Accelerator beam data commissioning equipment and procedures: report of the TG-106 of the Therapy Physics Committee of the AAPM Med Phys 35 2008 4186 4215
26. M. Pimpinella, I. Ciancaglioni, and R. Consorti A synthetic diamond detector as transfer dosimeter for D w measurements in photon beams with small field sizes Metrologia 49 2012 S207
27. I. Ciancaglioni, M. Marinelli, and E. Milani Dosimetric characterization of a synthetic single crystal diamond detector in clinical radiation therapy small photon beams Med Phys 39 2012 4493 4501
28. C. Di Venanzio, M. Marinelli, and E. Milani Characterization of a synthetic single crystal diamond Schottky diode for radiotherapy electron beam dosimetry Med Phys 40 2013 21712
29. Sharpe PHG, Sephton JP. Alanine dosimetry at NPL: the development of a mailed reference dosimetry service at radiotherapy dose levels. IAEA Technical Report No. IAEA-SM-356-365; 2000.
30. Sharpe PHG, Sephton JP. Therapy level alanine dosimetry at the NPL. In: Proceedings of the 216th PTB seminar on alanine dosimetry for clinical applications, PTB-Dos-51, PTB, Braunschweig; 2006.
31. M. Fuss, E. Sturtewagen, C. De Wagter, and D. Georg Dosimetric characterization of GafChromic EBT film and its implication on film dosimetry quality assurance Phys Med Biol 52 2007 4211 4225
32. X.A. Li, M. Soubra, J. Szanto, and L.H. Gerig Lateral electron equilibrium and electron contamination in measurements of head-scatter factors using miniphantoms and brass caps Med Phys 22 1995 1167 1170
33. P. Francescon, S. Cora, and C. Cavedon Total scatter factors of small beams: a multidetector and Monte Carlo study Med Phys 35 2008 504 513
34. D. Czarnecki, and K. Zink Monte Carlo calculated correction factors for diodes and ion chambers in small photon fields Phys Med Biol 58 2013 2431 2444
35. P.H. Charles, S.B. Crowe, and T. Kairn Monte Carlo-based diode design for correction-less small field dosimetry Phys Med Biol 58 2013 4501 4512
36. O.A. Sauer, and J. Wilbert Measurement of output factors for small photon beams Med Phys 34 2007 1983 1988
37. C. McKerracher, and D.I. Thwaites Notes on the construction of solid-state detectors Radiother Oncol 79 2006 348 351
38. I. Griessbach, M. Lapp, J. Bohsung, G. Gademann, and D. Harder Dosimetric characteristics of a new unshielded silicon diode and its application in clinical photon and electron beams Med Phys 32 2005 3750 3754
39. G. Cranmer-Sargison, S. Weston, J.A. Evans, N.P. Sidhu, and D.I. Thwaites Monte Carlo modelling of diode detectors for small field MV photon dosimetry: detector model simplification and the sensitivity of correction factors to source parameterization Phys Med Biol 57 2012 5141 5153
40. T.S.A. Underwood, H.C. Winter, M.A. Hill, and J.D. Fenwick Detector density and small field dosimetry: integral versus point dose measurement schemes Med Phys 40 2013 82102
41. S. Lang, J. Hrbacek, A. Leong, and S. Klöck Ion-recombination correction for different ionization chambers in high dose rate flattening-filter-free photon beams Phys Med Biol 57 2012 2819 2827
42. E. Chung, S. Davis, and J. Seuntjens Experimental analysis of general ion recombination in a liquid-filled ionization chamber in high-energy photon beams Med Phys 40 2013 62104