An institutional experience of quality assurance of a treatment planning system on photon beam

Özgüven, Yıldıray; Yaray, Kadir; Alkaya, Fadime; Yücel, Birsen; Soyuer, Serdar

doi:10.1016/j.rpor.2013.10.008

Cited by 4 publications

(2 citation statements)

References 20 publications

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“…The commissioning of the treatment planning system is a very long and sophisticated process. Despite the rich literature [1][2][3][4][5][6], official Technical Reports [7,8], and national verification audits [9][10][11] concerning TPS verification, many questions still remain unanswered.…”

Section: Introductionmentioning

confidence: 99%

Using beam profile inflection point in process of treatment planning system verification

Wendykier

Grządziel

Bekman

et al. 2021

Rep Pract Oncol Radiother.

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Background:The comparison between profiles during the commissioning of the treatment planning system is an essential procedure. It is impossible to designate a field size for off-axis, wedged, and FFF beams directly by using the definition of the on-axis symmetric field size. This work proposes the use of different characteristic points as indicators of the field size for commissioning and QA purposes. This work aimed to search for the beam profile's characteristic points and use them for the TPS commissioning purposes. Material and methods:The proposal is to use profile inflection points as the beam profile characteristic points. The usage of dedicated software allowed for comparing distances between inflection points and between points of 50% intensity. For the off-axis, wedged, and FFF fields, comparisons were made to the nominal field sizes.Results: Distances between inflection points proved to be different by less than 1 mm from nominal field sizes for all kinds of investigated beams.Conclusions: Inflection points are convenient for comparing the off-axis, wedged, and FFF field sizes because of their independence from profile normalization. With finite accuracy, the inflection points could be used for the above kind of beam sizes designation.

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Section: Introductionmentioning

confidence: 99%

Using beam profile inflection point in process of treatment planning system verification

Wendykier

Grządziel

Bekman

et al. 2021

Rep Pract Oncol Radiother.

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“…There are several studies relevant to dose calculation accuracy of different algorithms and TPSs in radiotherapy; however, most of them were carried out in a water phantom and/or in regions other than the head and neck. [9][10][11][12][13][14][15][16][17][18][19]…”

Section: Introductionmentioning

confidence: 99%

Evaluation of dose calculations accuracy of a commercial treatment planning system for the head and neck region in radiotherapy

Toossi

Farhood

Soleymanifard

2017

Reports of Practical Oncology & Radiotherapy

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Determination of boundaries between ranges of high and low gradient of beam profile

Wendykier

Bieniasiewicz

Grządziel

et al. 2016

Reports of Practical Oncology & Radiotherapy

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An institutional experience of quality assurance of a treatment planning system on photon beam

Abstract: The QA of TPS was done and it was found that there were no reservations in its use in patient treatment. The trend of the deviations is shown.

Cited by 4 publications

References 20 publications

Using beam profile inflection point in process of treatment planning system verification

Using beam profile inflection point in process of treatment planning system verification

Evaluation of dose calculations accuracy of a commercial treatment planning system for the head and neck region in radiotherapy

Determination of boundaries between ranges of high and low gradient of beam profile

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