Optimizing the accuracy of a helical diode array dosimeter: A comprehensive calibration methodology coupled with a novel virtual inclinometer

Medical Physics

Volumn 38, Issue 9, 2011, Pages 5021-5032

  Kozelka, Jakub ^a   Robinson, Joshua ^b   Nelms, Benjamin ^c   Zhang, Geoffrey ^d   Savitskij, Dennis ^a,e   Feygelman, Vladimir ^d  

^a Sun Nuclear Corporation   (United States)

^b UNIVERSITY OF SOUTH FLORIDA   (United States)

^c Canis Lupus LLC   (United States)

^d H LEE MOFFITT CANCER CENTER AND RESEARCH INSTITUTE   (United States)

^e CMS Inc   (United States)

Author keywords

diode array calibration; dose distribution comparison; rotational therapy; three dimensional dosimetry; VMAT QA

Indexed keywords

DIODES; DOSIMETERS; ERRORS; IONIZATION CHAMBERS; IONS; PHANTOMS;

CALIBRATION METHODOLOGIES; COMPREHENSIVE CALIBRATIONS; CONVOLUTION/SUPERPOSITION; DIODE ARRAYS; DOSE-DISTRIBUTION COMPARISONS; REPETITION RATE DEPENDENCE; ROTATIONAL THERAPY; VMAT QA;

CALIBRATION;

EID: 80052401496     PISSN: 00942405     EISSN: None     Source Type: Journal    
DOI: 10.1118/1.3622823     Document Type: Article

References (33)

1. P. A. Jursinic and B. E. Nelms, A 2-D diode array and analysis software for verification of intensity modulated radiation therapy delivery., Med. Phys. 30, 870-879 (2003). 10.1118/1.1567831
2. D. Letourneau, Evaluation of a 2D diode array for IMRT quality assurance., Radiother. Oncol. 70, 199-206 (2004). 10.1016/j.radonc.2003.10.014
3. J. Herzen, Dosimetric evaluation of a 2D pixel ionization chamber for implementation in clinical routine., Phys. Med. Biol. 52, 1197-1208 (2007). 10.1088/0031-9155/52/4/023
4. B. Poppe, Two-dimensional ionization chamber arrays for IMRT plan verification., Med. Phys. 33, 1005-1015 (2006). 10.1118/1.2179167
5. R. Sadagopan, Characterization and clinical evaluation of a novel IMRT quality assurance system., J. Appl. Clin. Med. Phys. 10, 104-119 (2009). 10.1120/jacmp.v10i2.2928
6. V. Feygelman, Evaluation of a New VMAT QA Device or: The X, and O, Array Geometries., J. Appl. Clin. Med. Phys. 12, 146-168 (2011).
7. D. Letourneau, Novel dosimetric phantom for quality assurance of volumetric modulated arc therapy., Med. Phys. 36, 1813-1821 (2009). 10.1118/1.3117563
8. G. Yan, Calibration of a novel four-dimensional diode array', Med. Phys. 37, 108-115 (2010). 10.1118/1.3266769
9. G. A. Ezzell, IMRT commissioning: multiple institution planning and dosimetry comparisons, a report from AAPM Task Group 119., Med. Phys. 36, 5359-5373 (2009). 10.1118/1.3238104
10. N. Papanikolaou, Tissue inhomogeneity corrections for megavoltage photon beams: Report of Task Group No. 65 of the Radiation Therapy Committee., AAPM Report No. 85 (Medical Physics Publishing, Madison, 2004).
11. F. M. Khan, Clinical electron-beam dosimetry: report of AAPM Radiation Therapy Committee Task Group No. 25., Med. Phys. 18, 73-109 (1991). 10.1118/1.596695
12. V. Feygelman, Evaluation of a biplanar diode array dosimeter for quality assurance of step-and-shoot IMRT., J. Appl. Clin. Med. Phys. 10, 64-78 (2009). 10.1120/jacmp.v10i4.3080
13. P. R. Almond, AAPM's TG-51 protocol for clinical reference dosimetry of high-energy photon and electron beams., Med. Phys. 26, 1847-1870 (1999). 10.1118/1.598691
14. W. E. Simon, J. Shi, and C. A. Iannello, U.S. patent 6,125,335 (10 April 1998).
15. M. G. Karlsson, Semi-conductor detectors in output factor measurements., Radiother. Oncol. 42, 293-296 (1997). 10.1016/S0167-8140(97)01917-8
16. Z. Yin, R. P. Hugtenburg and A. H. Beddoe, Response corrections for solid-state detectors in megavoltage photon dosimetry., Phys. Med. Biol. 3691-3702 (2004). 10.1088/0031-9155/49/16/015
17. J. Shi, W. E. Simon and T. C. Zhu, Modeling the instantaneous dose rate dependence of radiation diode detectors., Med. Phys. 30, 2509-2519 (2003). 10.1118/1.1602171
18. D. W. Litzenberg, J. M. Moran and B. A. Fraass, Verification of dynamic and segmental IMRT delivery by dynamic log file analysis., J. Appl. Clin. Med. Phys. 3, 63-72 (2002). 10.1120/1.1449362
19. J. G. Li, Validation of dynamic MLC-controller log files using a two-dimensional diode array., Med. Phys. 30, 799-805 (2003). 10.1118/1.1567951
20. V. Feygelman, G. G. Zhang and C. W. Stevens, Initial dosimetric evaluation of SmartArc - a novel VMAT treatment planning module implemented in a multi-vendor delivery chain., J. Appl. Clin. Med. Phys. 11, 99-116 (2010).
21. A. Fogliata, On the dosimetric behaviour of photon dose calculation algorithms in the presence of simple geometric heterogeneities: comparison with Monte Carlo calculations., Phys. Med. Biol. 52, 1363-1385 (2007). 10.1088/0031-9155/52/5/011
22. R. Kohno, Dosimetric verification in inhomogeneous phantom geometries for the XiO radiotherapy treatment planning system with 6-MV photon beams., Radiol. Phys. Technol. 2, 87-96 (2009). 10.1007/s12194-008-0049-7
23. D. Robinson, Inhomogeneity correction and the analytic anisotropic algorithm., J. Appl. Clin. Med. Phys. 9, 112-122 (2008).
24. K. Bush, Dosimetric validation of Acuros XB with Monte Carlo methods for photon dose calculations., Med. Phys. 38, 2208-2221 (2011). 10.1118/1.3567146
25. A. Fogliata, Dosimetric validation of the Acuros XB Advanced Dose Calculation algorithm: fundamental characterization in water., Phys. Med. Biol. 56, 1879-1904 (2011). 10.1088/0031-9155/56/6/022
26. T. Han, Dosimetric comparison of Acuros XB deterministic radiation transport method with Monte Carlo and model-based convolution methods in heterogeneous media., Med. Phys. 38, 2651-2664 (2011). 10.1118/1.3582690
27. O. N. Vassiliev, Validation of a new grid-based Boltzmann equation solver for dose calculation in radiotherapy with photon beams., Phys. Med. Biol. 55, 581-598 (2010). 10.1088/0031-9155/55/3/002
28. T. A. Simon, Wide field array calibration dependence on the stability of measured dose distributions., Med. Phys. 37, 3501-3509 (2010). 10.1118/1.3442028
29. P. A. Jursinic, R. Sharma and J. Reuter, mapcheck used for rotational IMRT measurements: Step-and-shoot, Tomotherapy, RapidArc., Med. Phys. 37, 2837-2846 (2010). 10.1118/1.3431994
30. B. Fraass, American Association of Physicists in Medicine Radiation Therapy Committee Task Group 53: quality assurance for clinical radiotherapy treatment planning., Med. Phys. 25, 1773-1829 (1998). 10.1118/1.598373
31. D. A. Low, A technique for the quantitative evaluation of dose distributions., Med. Phys. 25, 656-661 (1998). 10.1118/1.598248
32. G. Starkschall, Beam-commissioning methodology for a three-dimensional convolution/superposition photon dose algorithm., J. Appl. Clin. Med. Phys. 1, 8-27 (2000). 10.1120/1.308246
33. B. E. Nelms and J. A. Simon, A survey on planar IMRT QA analysis., J. Appl. Clin. Med. Phys. 8, 76-90 (2007).