Overestimation of low-dose radiation in intensity-modulated radiotherapy with sliding-window technique

Strahlentherapie und Onkologie

Volumn 185, Issue 12, 2009, Pages 821-829

  Vorwerk, Hilke ^a   Wagner, Daniela ^a   Seitz, Björn ^b   Christiansen, Hans ^a   Wolff, Hendrik A ^a   Hess, Clemens F ^a  

^a UNIVERSITY MEDICAL CENTER GÖTTINGEN   (Germany)

^b UNIVERSITY OF GLASGOW   (United Kingdom)

Author keywords

Dose rate; Eclipse ; Leaf speed; Limitations; MLC; Monitor units; Sliding window IMRT

Indexed keywords

ARTICLE; DOSIMETRY; IMAGING SYSTEM; INTENSITY MODULATED RADIATION THERAPY; LOW ENERGY RADIATION; RADIATION DOSE; RADIATION DOSE DISTRIBUTION; RADIATION FIELD; TREATMENT PLANNING; ALGORITHM; COMPUTER ASSISTED RADIOTHERAPY; HUMAN; INSTRUMENTATION; RADIATION INJURY; RADIATION SCATTERING; RADIOMETRY;

ALGORITHMS; HUMANS; RADIATION INJURIES; RADIOMETRY; RADIOTHERAPY DOSAGE; RADIOTHERAPY PLANNING, COMPUTER-ASSISTED; RADIOTHERAPY, INTENSITY-MODULATED; SCATTERING, RADIATION;

EID: 73449140134     PISSN: 01797158     EISSN: 1439099X     Source Type: Journal    
DOI: 10.1007/s00066-009-2028-2     Document Type: Article

References (22)

1. H.B. Caglar A.M. Allen 2007 Intensity-modulated radiotherapy for head and neck cancer Clin Adv Hematol Oncol 5 425 431 17679916
2. P.B. Greer P. Vial L. Oliver, et al. 2007 Experimental investigation of the response of an amorphous silicon EPID to intensity modulated radiotherapy beams Med Phys 34 4389 4398 10.1118/1.2789406 1:CAS:528:DC%2BD2sXht1yntr3N 18072504 (Pubitemid 350029661)
3. M. Guckenberger M. Flentje 2007 Intensity-modulated radiotherapy (IMRT) of localized prostate cancer. A review and future perspectives Strahlenther Onkol 183 57 62 10.1007/s00066-007-1631-3 17294108 (Pubitemid 46255023)
4. V. Jacob P. Kneschaurek 2009 A method for improved verification of entire IMRT plans by film dosimetry Strahlenther Onkol 185 34 40 10.1007/s00066-009- 1879-x 19224145
5. S.Y. Jang H.H. Liu R. Mohan 2008 Underestimation of low-dose radiation in treatment planning of intensity-modulated radiotherapy Int J Radiat Oncol Biol Phys 71 1537 1546 18513883
6. P.A. Jursinic B.E. Nelms 2003 A 2-D diode array and analysis software for verification of intensity modulated radiation therapy delivery Med Phys 30 870 879 10.1118/1.1567831 12772995 (Pubitemid 36578690)
7. I.M. Lips H. Dehnad C.H. van Gils, et al. 2008 High-dose intensity-modulated radiotherapy for prostate cancer using daily fiducial marker-based position verification: acute and late toxicity in 331 patients Radiat Oncol 3 15 10.1186/1748-717X-3-15 18495016
8. D.W. Litzenberg J.M. Moran B.A. Fraass 2002 Incorporation of realistic delivery limitations into dynamic MLC treatment delivery Med Phys 29 810 820 10.1118/1.1470499 12033577 (Pubitemid 34525910)
9. D.A. Low J.W. Sohn E.E. Klein, et al. 2001 Characterization of a commercial multileaf collimator used for intensity modulated radiation therapy Med Phys 28 752 756 10.1118/1.1367863 1:STN:280:DC%2BD3MzhvV2hsQ%3D%3D 11393469 (Pubitemid 32467252)
10. J. Muzik M. Soukup M. Alber 2008 Comparison of fixed-beam IMRT, helical tomotherapy, and IMPT for selected cases Med Phys 35 1580 1592 10.1118/1.2890085 18491552
11. G. Nicolini A. Fogliata E. Vanetti, et al. 2007 What is an acceptably smoothed fluence? Dosimetric and delivery considerations for dynamic sliding window IMRT Radiat Oncol 2 42 10.1186/1748-717X-2-42
12. A.J. Olch 2002 Dosimetric performance of an enhanced dose range radiographic film for intensity-modulated radiation therapy quality assurance Med Phys 29 2159 2168 10.1118/1.1500398 12349938 (Pubitemid 35051966)
13. S. Pai I.J. Das J.F. Dempsey, et al. 2007 TG-69: radiographic film for megavoltage beam dosimetry Med Phys 34 2228 2258 10.1118/1.2736779 1:CAS:528:DC%2BD2sXnsFarsbg%3D 17654924 (Pubitemid 47055756)
14. K.L. Pasma M.L. Dirkx M. Kroonwijk, et al. 1999 Dosimetric verification of intensity modulated beams produced with dynamic multileaf collimation using an electronic portal imaging device Med Phys 26 2373 2378 10.1118/1.598752 1:STN:280:DC%2BD3c%2Flt1GjsA%3D%3D 10587219
15. M. Pinkawa J. Siluschek B. Gagel, et al. 2007 Postoperative radiotherapy for prostate cancer. Evaluation of target motion and treatment techniques (intensity-modulated versus conformal radiotherapy) Strahlenther Onkol 183 23 29 10.1007/s00066-007-1588-2 17225942 (Pubitemid 46144102)
16. B. Polat I. Guenther J. Wilbert, et al. 2008 Intra-fractional uncertainties in image-guided intensity-modulated radiotherapy (IMRT) of prostate cancer Strahlenther Onkol 184 668 673 10.1007/s00066-008-1875-6 19107348
17. D. Schmidhalter M.K. Fix P. Niederer, et al. 2007 Leaf transmission reduction using moving jaws for dynamic MLC IMRT Med Phys 34 3674 3687 10.1118/1.2768864 1:STN:280:DC%2BD2sngsVOruw%3D%3D 17926971 (Pubitemid 47339765)
18. M. Stasi S. Giordanengo R. Cirio, et al. 2005 IMRT verification with a 2D pixel ionization chamber: dosimetric and clinical results in head and neck cancer Phys Med Biol 50 4681 4694 10.1088/0031-9155/50/19/017 1:STN:280:DC%2BD2MrgsFGqtA%3D%3D 16177497 (Pubitemid 41361525)
19. G. Studer U.M. Luetolf C. Glanzmann 2007 Locoregional failure analysis in head-and-neck cancer patients treated with IMRT Strahlenther Onkol 183 417 423 10.1007/s00066-007-1663-8 17680220 (Pubitemid 47230517)
20. A. Van Esch T. Depuydt D.P. Huyskens 2003 The use of an aSi-based EPID for routine absolute dosimetric pre-treatment verification of dynamic IMRT fields Radiother Oncol 71 223 234 10.1016/j.radonc.2004.02.018
21. B. Warkentin S. Steciw S. Rathee, et al. 2003 Dosimetric IMRT verification with a flat-panel EPID Med Phys 30 3143 3155 10.1118/1.1625440 1:STN:280:DC%2BD2c%2FhsFKmtQ%3D%3D 14713081 (Pubitemid 37553755)
22. X.R. Zhu P.A. Jursinic D.F. Grimm, et al. 2002 Evaluation of Kodak EDR2 film for dose verification of intensity modulated radiation therapy delivered by a static multileaf collimator Med Phys 29 1687 1692 10.1118/1.1493781 1:STN:280:DC%2BD38vks1eksQ%3D%3D 12201414 (Pubitemid 35364203)