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Collimator-based tracking with an add-on multileaf collimator[electronic resource] :modification of a commercial collimator system for realtime applications /

紀錄類型:	書目-語言資料,印刷品 : Monograph/item
杜威分類號:	615.842
書名/作者:	Collimator-based tracking with an add-on multileaf collimator : modification of a commercial collimator system for realtime applications // by Andreas Bohler.
作者:	Bohler, Andreas.
出版者:	Wiesbaden : : Springer Fachmedien Wiesbaden :, 2016.
面頁冊數:	xiv, 53 p. : : ill., digital ;; 24 cm.
Contained By:	Springer eBooks
標題:	Radiotherapy - Equipment and supplies.
標題:	Collimators (Optical instrument)
標題:	Medicine & Public Health.
標題:	Radiotherapy.
標題:	Oncology.
ISBN:	9783658106584
ISBN:	9783658106577
內容註:	1 Introduction -- 2 Literature Overview -- 3 Hypothesis & Goals -- 4 Materials & Methods -- 5 Results -- 6 Discussion -- 7 Conclusions.
摘要、提要註:	In this thesis, a tracking system was developed by modifying an add-on collimator, the Siemens Moduleaf, for realtime applications in radiotherapy. As the add-on collimator works almost completely autonomously of the linear accelerator (LinAc), no modifications to the latter were necessary. The adaptations to the Moduleaf were mainly software-based. In order to reduce the complexity of the system, outdated electronic parts were replaced with newer components where practical. Verification was performed by measuring the latency of the system as well as the impact on applied dose to a predefined target volume, moving in the leaf's travel direction. Latency measurements in software were accomplished by comparing the target and current positions of the leaves. For dose measurements, a Gafchromic EBT2 film was placed beneath the target 4D phantom, in between solid water plates, and moved alongside with it. Based on the results, a tracking-capable add-on collimator seems to be a useful tool for reducing the margins for the treatment of small, slow-moving targets. Radiotherapy is one of the most important methods used for the treatment of cancer. Irradiating a moving target is also one of the most challenging tasks to accomplish in modern radiotherapy.
電子資源:	http://dx.doi.org/10.1007/978-3-658-10658-4

Collimator-based tracking with an add-on multileaf collimator[electronic resource] :modification of a commercial collimator system for realtime applications /
Bohler, Andreas.

Collimator-based tracking with an add-on multileaf collimatormodification of a commercial collimator system for realtime applications /[electronic resource] :by Andreas Bohler. - Wiesbaden :Springer Fachmedien Wiesbaden :2016. - xiv, 53 p. :ill., digital ;24 cm. - BestMedDiss. - BestMedDiss..

1 Introduction -- 2 Literature Overview -- 3 Hypothesis & Goals -- 4 Materials & Methods -- 5 Results -- 6 Discussion -- 7 Conclusions.

In this thesis, a tracking system was developed by modifying an add-on collimator, the Siemens Moduleaf, for realtime applications in radiotherapy. As the add-on collimator works almost completely autonomously of the linear accelerator (LinAc), no modifications to the latter were necessary. The adaptations to the Moduleaf were mainly software-based. In order to reduce the complexity of the system, outdated electronic parts were replaced with newer components where practical. Verification was performed by measuring the latency of the system as well as the impact on applied dose to a predefined target volume, moving in the leaf's travel direction. Latency measurements in software were accomplished by comparing the target and current positions of the leaves. For dose measurements, a Gafchromic EBT2 film was placed beneath the target 4D phantom, in between solid water plates, and moved alongside with it. Based on the results, a tracking-capable add-on collimator seems to be a useful tool for reducing the margins for the treatment of small, slow-moving targets. Radiotherapy is one of the most important methods used for the treatment of cancer. Irradiating a moving target is also one of the most challenging tasks to accomplish in modern radiotherapy.

ISBN: 9783658106584

Standard No.: 10.1007/978-3-658-10658-4doiSubjects--Topical Terms:

653389
Radiotherapy
--Equipment and supplies.

LC Class. No.: RM862.5

Dewey Class. No.: 615.842

Collimator-based tracking with an add-on multileaf collimator[electronic resource] :modification of a commercial collimator system for realtime applications /
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