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Validation clinique du champ 1x1 cm² et évaluation de la technique HyperArc pour un usage clinique

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De Gaetano, Gabriele ULiège
Promotor(s) : Pellegri, Luca ULiège
Date of defense : 26-Jan-2024 • Permalink : http://hdl.handle.net/2268.2/19394
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Title : Validation clinique du champ 1x1 cm² et évaluation de la technique HyperArc pour un usage clinique
Translated title : [fr] Validation clinique du champ 1x1 cm² et évaluation de la technique HyperArc pour un usage clinique
Author : De Gaetano, Gabriele ULiège
Date of defense  : 26-Jan-2024
Advisor(s) : Pellegri, Luca ULiège
Committee's member(s) : Seret, Alain ULiège
Coussement, Gauthier 
Clermont, Christian 
Language : French
Number of pages : 102
Keywords : [fr] Radiothérapie
[fr] Petits champs
[fr] Stéréotaxie
[fr] True Beam
[fr] HyperArc
[fr] champ 1x1 cm²
Discipline(s) : Physical, chemical, mathematical & earth Sciences > Physics
Institution(s) : Université de Liège, Liège, Belgique
Degree: Master en sciences physiques, à finalité spécialisée en radiophysique médicale
Faculty: Master thesis of the Faculté des Sciences

Abstract

[en] In this work, we firstly validate the 1x1cm² field for 6MV and 6MVFFF TrueBeam photon beams calculated by Eclipse with measurements performed with suitable detectors in a water phantom. We compared PDDs and profiles using gamma analyses with 3%|1mm or 5%|1mm parameters. We also checked the output factors values to be coherent with the calculated ones. The results confirmed that the 1x1cm² calculated field is suitable for clinical use for intracranial stereotactic treatments. Secondly, we proceed with a plan quality comparison between RapidArc and HyperArc licenses. We used a test patient with 1 cm size lesions to prepare several plans using 1, 2 or 3 targets. As a mean to quantify the plan performance, we used conformity, gradient and homogeneity indexes. We revealed that, for simple stereotactic plans and for the CHU Tivoli work routine, HyperArc does not bring any significant advantages.


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Author

  • De Gaetano, Gabriele ULiège Université de Liège > Master sc. phys., fin. spéc. rad. phys. méd.

Promotor(s)

Committee's member(s)

  • Seret, Alain ULiège Université de Liège - ULiège > Département de physique > Imagerie médicale expérimentale
    ORBi View his publications on ORBi
  • Coussement, Gauthier
  • Clermont, Christian
  • Total number of views 48
  • Total number of downloads 125










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