2010
DOI: 10.1016/j.radonc.2009.12.020
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3D Dosimetric verification of volumetric-modulated arc therapy by portal dosimetry

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Cited by 159 publications
(141 citation statements)
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“…The collimator angle was set at 10° for all cases to minimize the cumulative effects of interleaf transmission and the tongue‐and‐groove effect. ( 16 , 25 , 33 ) Regarding TPS dose rates, SmartArc allows seven different dose rate settings; however, according to the suggestions of Bedford and Warrington ( 5 ) and Dobler et al, ( 23 ) we kept the five higher and dismissed the two lower dose rates to retain the main advantage in the faster delivery, when compared with IMRT. This also avoided not using the dose rates below 75 MU/min because of instabilities of the linac below 37 MU/min.…”
Section: Methodsmentioning
confidence: 99%
“…The collimator angle was set at 10° for all cases to minimize the cumulative effects of interleaf transmission and the tongue‐and‐groove effect. ( 16 , 25 , 33 ) Regarding TPS dose rates, SmartArc allows seven different dose rate settings; however, according to the suggestions of Bedford and Warrington ( 5 ) and Dobler et al, ( 23 ) we kept the five higher and dismissed the two lower dose rates to retain the main advantage in the faster delivery, when compared with IMRT. This also avoided not using the dose rates below 75 MU/min because of instabilities of the linac below 37 MU/min.…”
Section: Methodsmentioning
confidence: 99%
“…[7][8][9] Moreover, linear accelerator (linac) rotation can affect gantry-mounted accessories such as the electronic portal imaging device (EPID), since the EPIDsupporting arm is not mechanically perfect and rigidly attached. With the growing application of EPIDs in preand post-treatment dosimetry verification, [10][11][12][13][14][15] realtime dosimetry verification 16,17 and real-time tumour tracking for intrafraction motion management in modern radiotherapy, [18][19][20] it is essential to characterize and account for the mechanical system imperfections of linacs.…”
Section: Conclusion and Advances In Knowledgementioning
confidence: 99%
“…This can be addressed by introducing 3D dose verification methods in clinics. Such methods involve the implementation of an EPID system and a 3D dose reconstruction method by using either a back-projection method [28] or Monte Carlo dose simulations [29]. Furthermore, a technique using the COMPASS system (IBA Dosimetry, Germany) can determine the 3D dose distribution in the patient's anatomy [30].…”
Section: Discussionmentioning
confidence: 99%