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Dissertations / Theses on the topic 'Treatment planning'

Author: Grafiati

Published: 4 June 2021

Last updated: 25 July 2025

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1

Brown, Richard. "Microbrachytherapy treatment planning." Thesis, Toulouse 3, 2017. http://www.theses.fr/2017TOU30180/document.

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Une nouvelle modalité de radiothérapie, la micro-curiethérapie, est en cours de développement. Cette thérapie cible des tumeurs solides inopérables en effectuant des injections de liquide contenant des microsphères radioactives en suspension. Plusieurs injections sont nécessaires pour suffisamment irradier la zone tumorale et donc, afin d'optimiser le positionnement de ces injections, une méthode de planification de traitement nécessaire a été développée et validée au cours de cette thèse. Tout au long de ce travail, trois thèmes principaux seront discutés : • Comment réaliser la dosimétrie pa

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2

Neufeld, Esra. "High resolution hyperthermia treatment planning." Konstanz Hartung-Gorre, 2008. http://d-nb.info/992327873/04.

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3

Qasrawi, Radwan. "Treatment planning methods for clinical electroporation." Doctoral thesis, Universitat Pompeu Fabra, 2017. http://hdl.handle.net/10803/441753.

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Two treatment modalities based on the electroporation phenomenon, electro-chemotherapy and irreversible electroporation, have been developed in the last decades to destroy solid tumors. These treatments are based on the delivery of short high voltage pulses across electrodes and their success depends on covering the whole tumor with an adequate electric field magnitude. This leads to a need for software tools capable of allowing patient-specific treatment planning. In particular, there is a need for treatment planning tools similar to those used in radiotherapy in order to plan the location of

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4

Perera, Bel Enric. "Treatment planning in electroporation-based therapies." Doctoral thesis, Universitat Pompeu Fabra, 2021. http://hdl.handle.net/10803/673102.

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Diverses teràpies mèdiques es basen en l’electroporació. Entre d’altres, l’electroporació s'usa per al tractament de tumors sòlids. Com que només afecta les cèl·lules i la matriu extracel·lular queda intacta, amb l’electroporació es poden tractar tumors propers a teixits vitals. Tot i aquest clar avantatge respecte d’altres teràpies físiques, els tractaments s’han de planificar amb precisió perquè el resultat és altament dependent dels paràmetres del procediment i de les propietats dels teixits. Aquesta tesi se centra en el desenvolupament d’eines i models per a la planificació de tractaments

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5

Huang, Jian. "Visibility problems occurring in radiation treatment planning." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2001. http://www.collectionscanada.ca/obj/s4/f2/dsk3/ftp04/MQ61012.pdf.

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6

Moerland, Marinus Adriaan. "Magnetic resonance imaging in radiotherapy treatment planning." [S.l.] : Utrecht : [s.n.] ; Universiteitsbibliotheek Utrecht [Host], 1996. http://www.library.uu.nl/digiarchief/dip/diss/01760825/inhoud.htm.

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7

Kok, Henny Petra. "Treatment planning for locoregional and intraluminal hyperthermia." [S.l. : Amsterdam : s.n.] ; Universiteit van Amsterdam [Host], 2007. http://dare.uva.nl/document/46767.

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8

Goorley, John Timothy 1974. "Boron neutron capture therapy treatment planning improvements." Thesis, Massachusetts Institute of Technology, 1998. http://hdl.handle.net/1721.1/49670.

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Thesis (S.M.)--Massachusetts Institute of Technology, Dept. of Nuclear Engineering, 1998.<br>Includes bibliographical references.<br>The Boron Neutron Capture Therapy (BNCT) treatment planning process of the Harvard/MIT team used for their clinical Phase I trials is very time consuming. If BNCT proves to be a successful treatment, this process must be made more efficient. Since the Monte Carlo treatment planning calculations were the most time consuming aspect of the treatment planning process, requiring more than thirty six hours for scoping calculations of three to five beams and final calcu

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9

McGowan, Stacey Elizabeth. "Incorporating range uncertainty into proton therapy treatment planning." Thesis, University of Cambridge, 2015. https://www.repository.cam.ac.uk/handle/1810/248787.

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This dissertation addresses the issue of robustness in proton therapy treatment planning for cancer treatment. Proton therapy is considered to be advantageous in treating most childhood cancers and certain adult cancers, including those of the skull base, spine and head and neck. Protons, unlike X-rays, have a finite range highly dependent on the electron density of the material they are traversing, resulting in a steep dose gradient at the distal edge of the Bragg peak. These characteristics, together with advancements in computation and technology have led to the ability to plan and deliver

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10

Neath, Cathy. "Dosimetric evaluation and verification of treatment planning systems." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2000. http://www.collectionscanada.ca/obj/s4/f2/dsk2/ftp01/MQ53113.pdf.

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11

Hodefi, Deborah. "Evaluation of CadPlan for electron beam treatment planning." Thesis, McGill University, 2004. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=80289.

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The electron pencil beam algorithm particular to the CadPlan treatment planning system (Varian) was evaluated for energies and field sizes spanning the clinical range. Calculated distributions were compared to measured data from an Elekta SL 25 linear accelerator. Excellent accordance was achieved between measured and calculated distributions for all energies and field sizes in cases of a uniform medium with a flat surface, perpendicular beam incidence and the standard source to surface distance (SSD) of 100 cm. CadPlan was also proficient at producing accurate distributions involving v

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12

Wang, Changgui. "An objective approach to regional wastewater-treatment planning." Thesis, University of Newcastle Upon Tyne, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.310027.

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13

Mathayomchan, Boonyanit. "MULTIOBJECTIVE APPROACH TO MORPHOLOGICAL BASED RADIATION TREATMENT PLANNING." Case Western Reserve University School of Graduate Studies / OhioLINK, 2006. http://rave.ohiolink.edu/etdc/view?acc_num=case1131365356.

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14

Flower, Emily Elizabeth, and not supplied. "Comparison of Two Planning Methods for Heterogeneity Correction in Planning Total Body Irradiation." RMIT University. Applied Sciences, 2006. http://adt.lib.rmit.edu.au/adt/public/adt-VIT20070511.163728.

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Total body irradiation (TBI) is often used as part of the conditioning process prior to bone marrow transplants for diseases such as leukemia. By delivering radiation to the entire body, together with chemotherapy, tumour cells are killed and the patient is also immunosupressed. This reduces the risk of disease relapse and increases the chances of a successful implant respectively. TBI requires a large flat field of radiation to cover the entire body with a uniform dose. However, dose uniformity is a major challenge in TBI. (AAPM Report 17) The ICRU report 50 recommends that the dose range w

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15

Vaidya, Rohit Subhash. "Experimental testing of a computer aided heat treatment planning system." Link to electronic thesis, 2003. http://www.wpi.edu/Pubs/ETD/Available/etd-0827103-111212.

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16

Vader, Ranjeet D. "Development of computer aided heat treatment planning system (CAHTPS)." Link to electronic thesis, 2002. http://www.wpi.edu/Pubs/ETD/Available/etd-0830102-113605.

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17

Kimstrand, Peter. "Beam Modelling for Treatment Planning of Scanned Proton Beams." Doctoral thesis, Uppsala University, Oncology, 2008. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-8640.

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<p>Scanned proton beams offer the possibility to take full advantage of the dose deposition properties of proton beams, i.e. the limited range and sharp peak at the end of the range, the Bragg peak. By actively scanning the proton beam, laterally by scanning magnets and longitudinally by shifting the energy, the position of the Bragg peak can be controlled in all three dimensions, thereby enabling high dose delivery to the target volume only. A typical scanned proton beam line consists of a pair of scanning magnets to perform the lateral beam scanning and possibly a range shifter and a multi-l

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18

Xian, Zheng. "Dose verification of a stereotactic IMRT treatment planning system." Thesis, University of British Columbia, 2010. http://hdl.handle.net/2429/23810.

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In this project, ion chamber measurement and film dosimetry were used to verify dose distributions for a new stereotactic IMRT (Intensity Modulated Radiation Therapy) treatment planning system. This technique combines the principles of stereotactic radiosurgery and IMRT to significantly increase the positioning accuracy compared with conventional IMRT . Ion chamber measurements reveal that the discrepancy between the measured and the calculated dose at the isocenter can be up to 2%. Angular dependence of ion chamber sensitivity and the tissue equivalence of the phantom material were determined

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19

Rowbottom, Carl Graham. "Optimisation of beam-orientations in conformal radiotherapy treatment planning." Thesis, Institute of Cancer Research (University Of London), 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.314088.

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20

Mackin, Neil. "Development of an expert system for planning orthodontic treatment." Thesis, University of Bristol, 1992. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.238890.

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21

Battersby, Nicholas John. "Planning treatment and predicting outcomes in low rectal cancer." Thesis, Imperial College London, 2016. http://hdl.handle.net/10044/1/60835.

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Introduction: Low rectal cancer management presents a unique challenge. On one hand more radical measures are required to address poor oncological outcomes and on the other hand there is a need to avoid unacceptably high permanent colostomy rates and suboptimal post-treatment function. This thesis investigates radiological, surgical, pathological and quality of life factors in low rectal cancer, in order to predict outcomes and provide a patient-tailored approach to low rectal cancer management. Methods: The majority of data presented within this thesis will be from the ongoing Low Rectal Canc

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22

Norell, Emil. "Gamma Knife treatment planning with new degrees of freedom." Thesis, KTH, Optimeringslära och systemteori, 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-246149.

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The Leksell Gamma Knife® is an instrument designed for high precision treatment of tumours and lesions located in the brain and upper spine. Today, the radioactive cobalt-60 sources can only move linearly along the radiation unit, but the machine could be modiﬁed to include rotational motion as well. We extend an existing linear programming approach to inverse planning for the Gamma Knife by examining the beneﬁts from rotational degrees of freedom. The improvements oﬀered from rotations are limited, but easy to make use of. We investigate the model in four patient cases, and ﬁnd that an upper

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23

Haas, O. C. L. "Optimisation and control systems modelling in radiotherapy treatment planning." Thesis, Coventry University, 1997. http://curve.coventry.ac.uk/open/items/fc7aad2f-a43a-4045-adb0-9afa7e9033b3/1.

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24

Albritton, James Raymond 1977. "Computational aspects of treatment planning for neutron capture therapy." Thesis, Massachusetts Institute of Technology, 2009. http://hdl.handle.net/1721.1/57683.

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Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Nuclear Science and Engineering, February 2010.<br>Cataloged from PDF version of thesis.<br>Includes bibliographical references.<br>Boron Neutron Capture Therapy (BNCT) is a biochemically targeted form of binary radiation therapy that has the potential to deliver radiation to cancers with cellular dose selectivity. Accurate and efficient treatment planning calculations are essential to maximizing the efficacy of BNCT and ensuring patient safety. This thesis investigates computational aspects of BNCT treatment planning with the ai

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25

Crews, Joseph MacNeal. "The planning and design of mental health treatment centres." Thesis, University of Greenwich, 1999. http://gala.gre.ac.uk/8730/.

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This research thesis was developed as a planning and design reference for mental health treatment centres. This text is intended to assist planners, designers, and health practitioners to optimize patient health and comfort by providing suitable environments to facilitate care and treatment. This thesis examines and provides guidance on security issues, environmental design, the cognitive environment, and site development. Sample facility plans are also provided to demonstrate the design principles advocated. The foreword examines the historical background of mental health treatment facilities

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26

Gardner, Joseph Kingsley. "Integration of VMC++ into a Commercial Treatment Planning System." VCU Scholars Compass, 2005. http://scholarscompass.vcu.edu/etd/990.

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Recently, there has been interest to integrate VMC++ into the commercial treatment planning system at VCU as another Monte Carlo code option, since it has been shown to increase efficiency dramatically without introducing a significant amount of systematic error. Also, independent validation of VMC++ for photon beams is of interest since this has not been performed previously in literature. This study included several tests required to integrate VMC++. Output factor normalization was performed and found to agree with experiment to within 1% for all field sizes except 1x1 cm2. Geometric validat

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27

Kumar, Arvind. "Novel methods for intensity modulated radiation therapy treatment planning." [Gainesville, Fla.] : University of Florida, 2005. http://purl.fcla.edu/fcla/etd/UFE0011543.

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28

Zhang, Tianfang. "Machine learning multicriteria optimization in radiation therapy treatment planning." Thesis, KTH, Matematisk statistik, 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-257509.

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In radiation therapy treatment planning, recent works have used machine learning based on historically delivered plans to automate the process of producing clinically acceptable plans. Compared to traditional approaches such as repeated weighted-sum optimization or multicriteria optimization (MCO), automated planning methods have, in general, the benefits of low computational times and minimal user interaction, but on the other hand lack the flexibility associated with general-purpose frameworks such as MCO. Machine learning approaches can be especially sensitive to deviations in their dose pr

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29

Staley, Noah D. "An Investigation into the Accuracy of the Photon Beam Energy Spectrum Modeled by the Pinnacle Treatment Planning System and Its Effects on Treatment Planning." University of Toledo Health Science Campus / OhioLINK, 2016. http://rave.ohiolink.edu/etdc/view?acc_num=mco1481308003486075.

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30

Tuncer, Ozgur. "Segmentation, Registration And Visualization Of Medical Images For Treatment Planning." Master's thesis, METU, 2003. http://etd.lib.metu.edu.tr/upload/1093368/index.pdf.

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Medical imaging has become the key to access inside human body for the purpose of diagnosis and treatment planning. In order to understand the effectiveness of planned treatment following the diagnosis, treated body part may have to be monitored several times during a period of time. Information gained from successive imaging of body part provides guidance to next step of treatment. Comparison of images or datasets taken at different times requires registration of these images or datasets since the same conditions may not be provided at all times. Accurate segmentation of the body part under t

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31

Rødal, Jan. "On functional imaging and treatment planning for biologically adapted radiotherapy." Doctoral thesis, Norges teknisk-naturvitenskapelige universitet, Institutt for fysikk, 2012. http://urn.kb.se/resolve?urn=urn:nbn:no:ntnu:diva-16154.

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Tumours show large variations in response to radiotherapy, both across tumour types and within individual tumours. One way to counteract radioresistance is to increase the radiation dose to resistant regions by so-called biologically adapted therapy. Visualisation of these regions based on properties related to radioresistance, such as metabolism, hypoxia, proliferation, and vascularisation, can act as basis for target definition, and can be obtained by PET/CT, dynamic MRI, and dynamic CT imaging. One aim of the present work was to improve tumour visualisation in images obtained before and dur

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32

Kwa, William. "Asymmetric collimation : dosimetric characteristics, treatment planning algorithm, and clinical applications." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1998. http://www.collectionscanada.ca/obj/s4/f2/dsk3/ftp05/nq27182.pdf.

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33

Bokrantz, Rasmus. "Multicriteria optimization for managing tradeoffs in radiation therapy treatment planning." Doctoral thesis, KTH, Optimeringslära och systemteori, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-122663.

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Treatment planning for radiation therapy inherently involves tradeoffs, such as between tumor control and normal tissue sparing, between time-efficiency and dose quality, and between nominal plan quality and robustness. The purpose of this thesis is to develop methods that can facilitate decision making related to such tradeoffs. The main focus of the thesis is on multicriteria optimization methods where a representative set of treatment plans are first calculated and the most appropriate plan contained in this representation then selected by the treatment planner through continuous interpolat

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34

Orfali, Anas. "Verification of a 3D external photon beam treatment planning system." Thesis, McGill University, 1996. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=24374.

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Treatment planning is recognized as a fundamental step in clinical radiotherapy. The increased availability and complexity of three dimensional (3D) computerized treatment planning systems necessitates a full verification protocol to be completed prior to the implementation of the treatment planning system in routine use.<br>We have designed and performed a detailed experimental verification program aimed at evaluating each individual dosimetric aspect of our 3D computerized treatment planning system (Varian CADPLAN, version 2.62). The verification tests ranged in complexity from the most basi

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35

Al-Yahya, Khalid S. "Implementation of Monte Carlo treatment planning for lung cancer patients." Thesis, McGill University, 2002. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=29412.

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Current dose photon calculation algorithms have shortcomings in calculating dose distributions accurately in complex, heterogeneous phantoms. In this work, using existing Monte Carlo (MC) algorithms, we implemented and validated a comprehensive MC treatment planning system (MCTPS). We compared MCTPS with the corrected pencil beam algorithm used in the commercial TPS, CadPlan (V2.7.3). The accuracy of dose distributions calculated by MCTPS was studied for six lung cancer patients in two modes: without correction for inhomogeneity (the clinically used method) and with the equivalent tissue air r

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36

Obata, Yasunori, and Hiroshi Oguchi. "Commissioning of modulator-based IMRT with XiO treatment planning system." AIP Publishing, 2009. http://hdl.handle.net/2237/20613.

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37

Aly, Moamen. "The application of positron emission tomography in radiotherapy treatment planning." Thesis, University of Manchester, 2010. https://www.research.manchester.ac.uk/portal/en/theses/the-application-of-positron-emission-tomography-in-radiotherapy-treatment-planning(23a8d56c-c6da-4e3f-a27e-6ecbc979c86e).html.

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Positron emission tomography (PET) is a molecular imaging technique that provides a direct and accurate evaluation of tissue function in vivo. PET of the glucose analogue 18F-fluoro-deoxy-glucose, is increasingly in use to aid in gross target volume delineation in radiotherapy treatment planning (RTP) where it shows reduced inter-observer variability. The aim of this thesis was to develop and investigate a new technique for delineating PET-GTV with sufficient accuracy for RTP. A new technique, volume and contrast adjusted thresholding (VCAT), has been developed to automatically determine the o

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38

Men, Chunhua. "Optimization models for radiation therapy treatment planning and patient scheduling /." [Gainesville, Fla.] : University of Florida, 2009. http://purl.fcla.edu/fcla/etd/UFE0025021.

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39

Mason, Joshua William. "Advanced dose calculations and imaging in prostate brachytherapy treatment planning." Thesis, University of Leeds, 2014. http://etheses.whiterose.ac.uk/7623/.

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Brachytherapy using low dose rate (LDR) permanent seed implant or high dose rate (HDR) temporary implant is a well established treatment for prostate cancer. This study investigates the use of advanced dose calculation and imaging techniques to improve clinical prostate brachytherapy treatments. Monte Carlo (MC) simulations are used to assess the impact of source interactions and tissue composition effects that are ignored by the TG-43U1 dose calculation algorithm used in clinical practice. MC simulation results are validated using experimental phantom measurements. The development of prostate

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40

Jonsson, Joakim H., Magnus G. Karlsson, Mikael Karlsson, and Tufve Nyholm. "Treatment planning using MRI data: an analysis of the dose calculation accuracy for different treatment regions." Umeå universitet, Radiofysik, 2010. http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-35610.

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BACKGROUND: Because of superior soft tissue contrast, the use of magnetic resonance imaging (MRI) as a complement to computed tomography (CT) in the target definition procedure for radiotherapy is increasing. To keep the workflow simple and cost effective and to reduce patient dose, it is natural to strive for a treatment planning procedure based entirely on MRI. In the present study, we investigate the dose calculation accuracy for different treatment regions when using bulk density assignments on MRI data and compare it to treatment planning that uses CT data. METHODS: MR and CT data were co

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41

Alshamrany, Abdullah. "Determination Of Dose Effects When Including Attenuation Of The Treatment Table Into Treatment Planning Computer Modeling." Wright State University / OhioLINK, 2018. http://rave.ohiolink.edu/etdc/view?acc_num=wright1520859358953399.

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42

Garland, Adam D. "The Effectiveness of Utilizing the Treatment Support Measure for Treatment Planning in Youth Mental Health Services." BYU ScholarsArchive, 2017. https://scholarsarchive.byu.edu/etd/6591.

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The use of treatment support tools to enhance client outcomes is not well understood in the youth treatment literature. Adult outcome researchers have found that the use of Clinical Support Tools (CST) leads to improved outcomes with clients identified as at risk for treatment failure. However, the American Psychological Association (APA) has noted that understanding important client factors that influence treatment is critical during the clinical formulation and treatment planning phase of therapy. No studies to date have evaluated the effectiveness of utilizing a CST as a treatment planni

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43

Miller, William Harley. "AN INTRODUCTION TO A HYPERTHERMIA PATIENT PLANNING AND PATIENT TREATMENT EVALUATION SYSTEM (NUMERICAL, CANCER)." Thesis, The University of Arizona, 1985. http://hdl.handle.net/10150/275373.

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44

Nill, Simeon. "Development and application of a multi-modality inverse treatment planning system." [S.l.] : [s.n.], 2001. http://deposit.ddb.de/cgi-bin/dokserv?idn=963121413.

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45

Orlowski, Piotr. "Treatment planning for the embolization of arteriovenous malformations of the brain." Thesis, University of Oxford, 2010. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.669969.

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46

Beckham, Wayne Allan. "Application of magnetic resonance imaging to radiotherapy treatment planning and neurosurgery /." Title page and table of contents only, 1997. http://web4.library.adelaide.edu.au/theses/09PH/09phb397.pdf.

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47

Mitrou, Ellis. "Monte Carlo based electron treatment planning and cutout output factor calculations." Thesis, McGill University, 2012. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=106456.

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Electron radiotherapy (RT) offers a number of advantages over photons. The high surface dose, combined with a rapid dose fall-off beyond the target volume presents a net increase in tumor control probability and decreases the normal tissue complication for superficial tumors. Electron treatments are normally delivered clinically without previously calculated dose distributions due to the complexity of the electron transport involved and greater error in planning accuracy. This research uses Monte Carlo (MC) methods to model clinical electron beams in order to accurately calculate electron beam

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48

Bazalova, Magdalena. "The use of computed tomography images in Monte Carlo treatment planning." Thesis, McGill University, 2009. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=32513.

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Monte Carlo (MC) dose calculations cannot accurately assess the dose delivered to the patient during radiotherapy unless the patient anatomy is well known. This thesis focuses on the conversion of patient computed tomography (CT) images into MC geometry files. Metal streaking artifacts and their effect on MC dose calculations are first studied. A correction algorithm is applied to artifact-corrupted images and dose errors due to density and tissue mis-assignment are quantified in a phantom and a patient s

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49

Bandeira, de Oliveira Patricia. "Comparing two methods of surgical treatment planning with mini dental implants." Thesis, McGill University, 2013. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=114551.

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Objective: This study evaluated the discrepancies between dental implant treatment planning for surgical guide fabrication using Cone Beam Computerized Tomography (CBCT) with imaging software and a Conventional method based on anatomic landmarks and prosthetic design. Methods: Based on anatomical landmarks in the interforaminal area, four metal guiding sleeves were installed in radiographic templates fabricated on mandibular casts for placement of 64 implants in 16 patients (n=16). Each patient enrolled in the study underwent a CBCT scan with the template in the mouth. The metal sleeves were i

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50

Wilson, Dale Louise. "An improved planning protocol for the endovascular treatment of intracranial aneurysms." Thesis, University of Oxford, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.298720.

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