Dose Verification Of Brass Mesh Bolus For Contralateral Breast Post-mastectomy In Three-dimensional Conformal Radiotherapy Technique

Post mastectomy radiation therapy (PMRT) prescribed to patient that undergo breast mastectomy. With the bolus application in PMRT, it has shown few limitations whereby current water equivalent bolus (WEB) unable to conform irregular surface consistently. Besides that, dose inhomogeneity arises in co...

Full description

Saved in:

Bibliographic Details
Main Author:	Buang, Sakinah
Format:	Thesis
Language:	English
Published:	2023
Subjects:	QC1 Physics (General)
Online Access:	http://eprints.usm.my/60730/1/SAKINAH%20BINTI%20BUANG%20-%20TESIS24.pdf
Tags:	Add Tag No Tags, Be the first to tag this record!

id	my-usm-ep.60730
record_format	uketd_dc
spelling	my-usm-ep.607302024-06-20T03:36:10Z Dose Verification Of Brass Mesh Bolus For Contralateral Breast Post-mastectomy In Three-dimensional Conformal Radiotherapy Technique 2023-09 Buang, Sakinah QC1 Physics (General) Post mastectomy radiation therapy (PMRT) prescribed to patient that undergo breast mastectomy. With the bolus application in PMRT, it has shown few limitations whereby current water equivalent bolus (WEB) unable to conform irregular surface consistently. Besides that, dose inhomogeneity arises in contralateral breast (CB) and organ at risk (OAR) during PMRT. It is established that brass mesh bolus (BMB) has potential in conforming irregular surface with the aim to treat chest wall site in delivering maximum dose and sparing OAR. This study aims to determine the feasibility of BMB as an alternative to bolus and to verify dose received by CB and target breast with application of BMB in 3-dimensional conformal radiation therapy (3DCRT). This study are designed based on three main parts ; firstly is to characterize dosimeters (Ludlum detector, ionization chamber and nanoDotTM) based on Cobalt-6o and 6-MV photon energy; secondly is to measure the radiological, physical and dosimetric properties of BMB by measuring the density using three methodologies (Image-J analysis, conventional density and CT analysis), mass attenuation coefficient, mass energy absorption coefficient and percentage depth dose (PDD) ; and lastly is to verify the radiotherapy treatment with the BMB to the PMRT heterogenous phantom by 3DCRT. Statistical analysis evaluation in accordance with the international standard was applied. The results revealed that all dosimeters have high linearity with acceptable traceability 2023-09 Thesis http://eprints.usm.my/60730/ http://eprints.usm.my/60730/1/SAKINAH%20BINTI%20BUANG%20-%20TESIS24.pdf application/pdf en public masters Universiti Sains Malaysia Pusat Pengajian Sains Fizik
institution	Universiti Sains Malaysia
collection	USM Institutional Repository
language	English
topic	QC1 Physics (General)
spellingShingle	QC1 Physics (General) Buang, Sakinah Dose Verification Of Brass Mesh Bolus For Contralateral Breast Post-mastectomy In Three-dimensional Conformal Radiotherapy Technique
description	Post mastectomy radiation therapy (PMRT) prescribed to patient that undergo breast mastectomy. With the bolus application in PMRT, it has shown few limitations whereby current water equivalent bolus (WEB) unable to conform irregular surface consistently. Besides that, dose inhomogeneity arises in contralateral breast (CB) and organ at risk (OAR) during PMRT. It is established that brass mesh bolus (BMB) has potential in conforming irregular surface with the aim to treat chest wall site in delivering maximum dose and sparing OAR. This study aims to determine the feasibility of BMB as an alternative to bolus and to verify dose received by CB and target breast with application of BMB in 3-dimensional conformal radiation therapy (3DCRT). This study are designed based on three main parts ; firstly is to characterize dosimeters (Ludlum detector, ionization chamber and nanoDotTM) based on Cobalt-6o and 6-MV photon energy; secondly is to measure the radiological, physical and dosimetric properties of BMB by measuring the density using three methodologies (Image-J analysis, conventional density and CT analysis), mass attenuation coefficient, mass energy absorption coefficient and percentage depth dose (PDD) ; and lastly is to verify the radiotherapy treatment with the BMB to the PMRT heterogenous phantom by 3DCRT. Statistical analysis evaluation in accordance with the international standard was applied. The results revealed that all dosimeters have high linearity with acceptable traceability
format	Thesis
qualification_level	Master's degree
author	Buang, Sakinah
author_facet	Buang, Sakinah
author_sort	Buang, Sakinah
title	Dose Verification Of Brass Mesh Bolus For Contralateral Breast Post-mastectomy In Three-dimensional Conformal Radiotherapy Technique
title_short	Dose Verification Of Brass Mesh Bolus For Contralateral Breast Post-mastectomy In Three-dimensional Conformal Radiotherapy Technique
title_full	Dose Verification Of Brass Mesh Bolus For Contralateral Breast Post-mastectomy In Three-dimensional Conformal Radiotherapy Technique
title_fullStr	Dose Verification Of Brass Mesh Bolus For Contralateral Breast Post-mastectomy In Three-dimensional Conformal Radiotherapy Technique
title_full_unstemmed	Dose Verification Of Brass Mesh Bolus For Contralateral Breast Post-mastectomy In Three-dimensional Conformal Radiotherapy Technique
title_sort	dose verification of brass mesh bolus for contralateral breast post-mastectomy in three-dimensional conformal radiotherapy technique
granting_institution	Universiti Sains Malaysia
granting_department	Pusat Pengajian Sains Fizik
publishDate	2023
url	http://eprints.usm.my/60730/1/SAKINAH%20BINTI%20BUANG%20-%20TESIS24.pdf
_version_	1804888990951669760

Dose Verification Of Brass Mesh Bolus For Contralateral Breast Post-mastectomy In Three-dimensional Conformal Radiotherapy Technique

Similar Items