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Dissertations / Theses on the topic 'Breast – Radiography'

Author: Grafiati

Published: 4 June 2021

Last updated: 29 July 2024

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1

簡適悠 and Sik-yau Anita Kan. "A clinical audit of mammography screening." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2008. http://hub.hku.hk/bib/B41710113.

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2

Yakoubian, Jeffrey Scott. "Adaptive histogram equalization for mammographic image processing." Thesis, Georgia Institute of Technology, 1993. http://hdl.handle.net/1853/16387.

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3

Brooks, Kenneth W. "Automated analysis of mammography phantom images." Diss., Georgia Institute of Technology, 1993. http://hdl.handle.net/1853/17900.

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4

Peng, Jinghong P. "Automated acceptance criteria for the American College of Radiology (ACR) mammographic accreditation phantom images." Thesis, Georgia Institute of Technology, 1991. http://hdl.handle.net/1853/18248.

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5

Napolitano, Mary Elizabeth. "Mammographic x-ray unit peak kilovoltage and spectral quality determination using film densitometry." Diss., Georgia Institute of Technology, 1997. http://hdl.handle.net/1853/15840.

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6

Khan, Fyzodeen. "Detection of masses in x-ray mammograms /." View online ; access limited to URI, 2003. http://0-wwwlib.umi.com.helin.uri.edu/dissertations/dlnow/3103706.

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7

Ved, Hetal R. "A computer-based cascaded modeling and experimental approach to the physical characterization of a clinical full-field mammography system." Link to electronic thesis, 2002. http://www.wpi.edu/Pubs/ETD/Available/etd-0920102-144012.

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8

Cheok, Frida. "Participation in mammographic screenings in South Australia /." Title page, contents and abstract only, 1998. http://web4.library.adelaide.edu.au/theses/09PH/09phc51843.pdf.

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9

Cerneaz, Nicholas J. "Model-based analysis of mammograms." Thesis, University of Oxford, 1994. http://ora.ox.ac.uk/objects/uuid:a8d91bb2-429c-4da3-9f1b-6209771c61b5.

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Metastasised breast cancer kills. There is no known cure, there are no known preventative measures, there are no drugs available with proven capacity to abate its effects. Early identification and excision of a malignancy prior to metastasis is the only method currently available for reducing the mortality due to breast disease. Automated analysis of mammograms has been proposed as a tool to aid radiologists detect breast disease earlier and with greater efficiency and success. This thesis addresses some of the major difficulties associated with the automated analysis of mammograms, in particu

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10

Coakley, Kerry Shona. "Phase contrast mammography." Thesis, Queensland University of Technology, 2000.

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11

Broyden, Robert R. "Breast cancer early detection : a test using hairstylists to promote mammography among women at risk /." Thesis, This resource online, 1990. http://scholar.lib.vt.edu/theses/available/etd-03122009-040613/.

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12

Pettit, Elaine J. (Elaine Joyce). "Synthesis of 2-D Images From the Wigner Distribution with Applications to Mammography and Edge Extraction." Thesis, University of North Texas, 1995. https://digital.library.unt.edu/ark:/67531/metadc332685/.

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A new method for the general application of quadratic spatial/spatial frequency domain filtering to imagery is presented in this dissertation. The major contribution of this research is the development of an original algorithm for approximating the inverse psuedo Wigner distribution through synthesis of an image in the spatial domain which approximates the result of filtering an original image in the DPWD domain.

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13

Daniels, Tasneem. "Bi-rads final assessment categories in breast cancer patients." Thesis, Cape Peninsula University of Technology, 2019. http://hdl.handle.net/20.500.11838/2969.

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Thesis (MSc (Radiography))--Cape Peninsula University of Technology, 2019<br>INTRODUCTION: The Breast Imaging Reporting and Data System (BI-RADS) was developed by the American College of Radiology (ACR). The BI-RADS is an internationally accepted method of assessing and reporting on mammograms and breast ultrasound images. The BI-RADS consists of a lexicon (descriptors) and assessment categories. The ACR aimed to standardise mammography reporting and placing the findings in the appropriate assessment category. The aim of this study was to establish the accuracy of the BI-RADS assessment catego

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14

Al-Roubaie, Zahra. "Human breast images : segmentation, analysis and conversion to electrical parameter profiles for Semcad-X electromagnetic simulator." Thesis, McGill University, 2008. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=116044.

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Electrical parameter profiles of human breast images can be used to simulate and analyze the anticipated effects on tissue from its interaction with electromagnetic fields involved in the cancer treatment exposure. In part, the success of this approach depends on the accuracy and precision in identifying the different tissue types. In this work, we propose two methods of segmenting human breast images with malignant tumors. The first method of algorithmic partitioning of the image involves manual color-edge contouring of the tissues using a cursor and subsequent identification of the tissue ty

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15

Wen, Yiding. "Detecting microcalcifications in digitised mammograms by a computer aided diagnostic system." Thesis, The University of Sydney, 1999. https://hdl.handle.net/2123/27591.

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Breast cancer is now one of the most common forms of cancer and the leading cause of mortality in women in the developed countries. Early detection of breast cancer is currently the way to reduce breast cancer mortality and enhance the cure rate. Mammogram screening is widely recognized as the most reliable method for early detection of lesions and clustered microcalcifications, which are the two prominent symptoms of breast cancer. This thesis presents an image processing procedure for the automatic detection of clustered microcalcifications in digitized mammograms. This method consi

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16

Masek, Martin. "Hierarchical segmentation of mammograms based on pixel intensity." University of Western Australia. School of Electrical, Electronic and Computer Engineering, 2004. http://theses.library.uwa.edu.au/adt-WU2003.0033.

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Mammography is currently used to screen women in targeted risk classes for breast cancer. Computer assisted diagnosis of mammograms attempts to lower the workload on radiologists by either automating some of their tasks or acting as a second reader. The task of mammogram segmentation based on pixel intensity is addressed in this thesis. The mammographic process leads to images where intensity in the image is related to the composition of tissue in the breast; it is therefore possible to segment a mammogram into several regions using a combination of global thresholds, local thresholds and high

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17

Ball, John E. "Three stage level set segmentation of mass core, periphery, and spiculations for automated image analysis of digital mammograms." Diss., Mississippi State : Mississippi State University, 2007. http://sun.library.msstate.edu/ETD-db/ETD-browse/browse.

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18

Kwok, Sze Man Simon. "Attribute-driven segmentation and analysis of mammograms." University of Western Australia. Centre for Intelligent Information Processing Systems, 2005. http://theses.library.uwa.edu.au/adt-WU2005.0010.

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[Truncated abstract] In this thesis, we introduce a mammogram analysis system developed for the automatic segmentation and analysis of mammograms. This original system has been designed to aid radiologists to detect breast cancer on mammograms. The system embodies attribute-driven segmentation in which the attributes of an image are extracted progressively in a step-by-step, hierarchical fashion. Global, low-level attributes obtained in the early stages are used to derive local, high-level attributes in later stages, leading to increasing refinement and accuracy in image segmentation and anal

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19

Sechopoulos, Ioannis. "Investigation of physical processes in digital x-ray tomosynthesis imaging of the breast." Diss., Atlanta, Ga. : Georgia Institute of Technology, 2007. http://hdl.handle.net/1853/22589.

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20

Beckett, Jonathan. "Studies of benefit and risk resulting from the UK Breast Screening Programme." Thesis, University of Newcastle Upon Tyne, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.364812.

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21

Turnbull, Deborah Anne. "Psychosocial issues in implementing mammography screening in Australia." Phd thesis, Faculty of Arts, 1992. http://hdl.handle.net/2123/8575.

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22

Alvarez, Matheus. "Otimização de imagens de mamografia computadorizada /." Botucatu, 2012. http://hdl.handle.net/11449/97998.

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Orientador: José Ricardo de Arruda Miranda<br>Coorientador: Diana Rodrigues de Pina<br>Banca: Sérgio José Barbosa Duarte<br>Banca: André Petean Trindade<br>Resumo: O propósito deste trabalho é apresentar uma metodologia de análise computacional de radiografias do fantoma de acreditação mamográfico (FAM) do colégio americano de radiologia (CAR) a ser utilizado em serviços de mamografia. Processamentos via transformada discreta de wavelet (TDW) são usados de maneira a realçar o contraste dos objetos teste a serem analisados, possibilitando condições automáticas da avaliação do desempenho de sist

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23

Scherl-Slusher, Alice I. "Screening Mamography: A Comparison Between US and Australian Healthcare Delivery." Youngstown State University / OhioLINK, 2000. http://rave.ohiolink.edu/etdc/view?acc_num=ysu1007583885.

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24

Parham, Christopher Allen Pisano Etta D. "System parameters and performance specifications for the application of Diffraction Enhanced Imaging and Multiple Image Radiography to breast imaging." Chapel Hill, N.C. : University of North Carolina at Chapel Hill, 2006. http://dc.lib.unc.edu/u?/etd,294.

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Thesis (Ph. D.)--University of North Carolina at Chapel Hill, 2006.<br>Title from electronic title page (viewed Oct. 10, 2007). "... in partial fulfillment of the requirements for the degree of Doctor of Philosophy in the Department of Biomedical Engineering." Discipline: Biomedical Engineering; Department/School: Medicine.

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25

Alvarez, Matheus [UNESP]. "Otimização de imagens de mamografia computadorizada." Universidade Estadual Paulista (UNESP), 2012. http://hdl.handle.net/11449/97998.

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Made available in DSpace on 2014-06-11T19:29:11Z (GMT). No. of bitstreams: 0 Previous issue date: 2012-06-30Bitstream added on 2014-06-13T18:58:43Z : No. of bitstreams: 1 alvarez_m_me_botib.pdf: 425512 bytes, checksum: ffc36e9f37fd09af33193b987cfefdc4 (MD5)<br>Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)<br>O propósito deste trabalho é apresentar uma metodologia de análise computacional de radiografias do fantoma de acreditação mamográfico (FAM) do colégio americano de radiologia (CAR) a ser utilizado em serviços de mamografia. Processamentos via transformada discreta

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26

Amer, Heba [Verfasser]. "Specimen radiography: digital breast tomosynthesis versus full field digital mammography : which modality provides more accurate prediction of margin status? / Heba Amer." Berlin : Medizinische Fakultät Charité - Universitätsmedizin Berlin, 2019. http://d-nb.info/1202045014/34.

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27

Mardegan, José Renato Linares 1984. "Aplicações da radiografia por contraste de fase em tecidos de mama in vitro." [s.n.], 2009. http://repositorio.unicamp.br/jspui/handle/REPOSIP/277537.

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Orientador: Carlos Manuel Giles Antunez de Mayolo<br>Dissertação (mestrado) - Universidade Estadual de Campinas, Instituto de Fisica Gleb Wataghin<br>Made available in DSpace on 2018-08-12T20:54:38Z (GMT). No. of bitstreams: 1 Mardegan_JoseRenatoLinares_M.pdf: 9598511 bytes, checksum: eff03242148c4fb5d74188492a5542d5 (MD5) Previous issue date: 2009<br>Resuno: Esta dissertação de mestrado teve por objetivo a realização de imagens pela técnica de imagens por contraste de fase utilizando o método de imagens realçadas por difração (IRD) para analisar amostras histológicas de mama in vitro. Os s

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28

Santos, Amanda Cristina dos. "Avaliação da qualidade da imagem e dose na paciente em mamografia analógica e digital." Universidade Tecnológica Federal do Paraná, 2011. http://repositorio.utfpr.edu.br/jspui/handle/1/301.

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Este trabalho foi motivado por um estudo maio, proposto pela Agência Internacional de Energia Atômica (IAEA). O objetivo do trabalho foi estimar o kerma incidente (Ki) e a dose glandular média (Dg) em pacientes submetidas a mamografias nas projeções crânio-caudal (CC) e médio-lateral-oblíqua (MLO), nos sistemas de aquisição de imagens analógico e digital CR. A estimativa foi realizada através de cálculos matemáticos, tendo como base estudos computacionais utilizando simulações de Monte Carlo. Este estudo fez parte de um estudo maior em mamografia, coordenado pela IAEA, cujos dados fizeram part

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29

Thacker, Samta C. "Development of a Monte Carlo simulation method for use in investigating CT (Computed Tomography) mammography." Link to electronic thesis, 2004. http://www.wpi.edu/Pubs/ETD/Available/etd-0430104-153425.

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30

Suryanarayanan, Sankararaman. "Design, Development, and Characterization of a Prototype Digital Mammography System." Diss., Georgia Institute of Technology, 2006. http://hdl.handle.net/1853/14515.

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Breast cancer is a major health concern in the United States. Mammography is the gold standard for screening breast cancer and screen-film technology is still widely used in the screening for breast cancer. However, screen-film systems have limited dynamic range and contrasts compared to digital systems, and do not offer integrated image processing capabilities. Recently, digital mammography has seen an upsurge in clinical adoption but current digital mammography systems are limited in terms of their spatial resolution. Therefore, high-resolution digital mammography systems with superior s

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31

Messias, Pricila Cordeiro. "Controle de qualidade, medição de dose glandular média e protocolo de rotina para tomossíntese digital mamária." Universidade Tecnológica Federal do Paraná, 2016. http://repositorio.utfpr.edu.br/jspui/handle/1/1881.

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No Brasil, o câncer de mama é o mais frequente e a principal causa de morte entre as mulheres, para o ano de 2016 foram estimados 57.960 mil novos casos. A Tomossíntese Digital Mamária (TDM) reduz os efeitos da sobreposição do tecido da mama, oferecendo uma melhor caracterização dos achados mamográficos e diminuindo a necessidade de incidências adicionais. A recente introdução da TDM na prática clínica requer manutenção dos requisitos de dose e qualidade da imagem, além de rotinas de Controle de Qualidade (CQ) e monitoração da Dose Glandular Média (DGM), e também uma equipe técnica qualificada

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32

Jakubiak, Rosangela Requi. "Qualidade da imagem, limiar de contraste e dose glandular média em mamografia digital CR." Universidade Tecnológica Federal do Paraná, 2013. http://repositorio.utfpr.edu.br/jspui/handle/1/572.

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Em muitos países, os sistemas de radiologia computadorizada (CR) representam a maioria dos equipamentos usados em mamografia digital. Este estudo apresenta um método para a otimização da qualidade da imagem e da dose em mamografia digital CR para pacientes com mamas de espessuras entre 45 e 75. As espessuras das mamas foram simuladas com placas de polimetilmetacrilato (PMMA). Técnicas de exposição otimizadas (tensão (kV), produto corrente-tempo (mAs) e combinação alvo/filtro) foram definidas como aquelas que fornecem uma razão contraste-ruído (CNR) ideal, denominada CNR alvo, que permite ating

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33

Oliveira, Evelyn Rosa de. "Avaliação do padrão de desempenho das equipes técnicas de mamografia frente ao uso de tecnologias digitais." Universidade Tecnológica Federal do Paraná, 2017. http://repositorio.utfpr.edu.br/jspui/handle/1/2626.

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Este estudo apresenta uma análise de rejeição, realizada na clínica Diagnóstico Avançado Por Imagem – DAPI, com dados de 647 mamografias rejeitadas realizadas de março a novembro de 2015, antes e após treinamentos realizados com a equipe técnica de mamografia, para análise do desempenho. As informações foram coletadas na base de dados do software de análise de rejeição dos mamógrafos, e incluem: incidência; quantidade de repetições; motivo da repetição; identificação da profissional; compressão do exame rejeitado e do exame aceito. Observou-se que após o treinamento os índices de rejeição por

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34

Carr, Douglas. "Developing the radiographer film reading role : an illustrative case in breast screening." Thesis, University of Derby, 2006. http://hdl.handle.net/10545/304841.

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35

McGarry, Gregory John. "Model-based mammographic image analysis." Thesis, Queensland University of Technology, 2002.

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36

Nilsson, Maria, and Olga Bittenbinder. "Faktorer som kan påverka kvinnors smärtupplevelse vid screeningmammografi ur röntgensjuksköterskans perspektiv : Litteraturöversikt." Thesis, Luleå tekniska universitet, Institutionen för hälsovetenskap, 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-82049.

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Inledning: Mammografi är en vanlig bröstundersökning där kvinnor mellan 40–74 år erbjuds screening av bröst med regelbundna intervaller. Kvinnor som upplever mammografi-undersökningen som smärtsam och obehaglig återkommer ibland inte till sina kontroll-undersökningar. Uteblivna kontroller kan leda till högre mortalitet i bröstcancer. Syfte: Studiens syfte var att kartlägga kunskap om faktorer som påverkar kvinnors smärtupplevelse i samband med screeningmammografi. Metod: Studien är en allmän litteraturöversikt som genomförts via databaserna, Cinahl och PubMed. I huvudsak kvantitativa artiklar

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37

Milan, Ranisavljević. "Дијагностичка вредност мобилне дигиталне радиографије у процени позитивности ресекционих хируршких маргина код карцинома дојке". Phd thesis, Univerzitet u Novom Sadu, Medicinski fakultet u Novom Sadu, 2020. https://www.cris.uns.ac.rs/record.jsf?recordId=114074&source=NDLTD&language=en.

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Karcinom dojke predstavlja najče&scaron;ću malignu neoplazmu među ženskom populacijom, a po&scaron;tedna terapija dojke, preferirani je model lečenja bolesnica u ranom stadijumu bolesti. Smatra se da je optimalna hirur&scaron;ka resekciona margina 2 mm. Opisano je mnogo metoda koje služe za intraoperativnu proveru suficijentnosti resekcione hirur&scaron;ke margine i sve one imaju svoje prednosti i mane. Ciljevi ove studije bili su da se utvrdi, da li postoji statistički značajna razlika u određivanju &scaron;irine negativne resekcione hirur&scaron;ke margine izražene u milimetrima pri operacij

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38

Nataša, Prvulović Bunović. "Дигитална мамографија и томосинтеза у детекцији и радиолошкој БИ РАДС категоризацији туморских лезија дојке". Phd thesis, Univerzitet u Novom Sadu, Medicinski fakultet u Novom Sadu, 2015. http://www.cris.uns.ac.rs/record.jsf?recordId=92756&source=NDLTD&language=en.

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Циљ ове студије је да се упореди дијагностичкa значајност 2Д и 2Д+3Д мамографије у детектовању тумора дојке. Испитивали смо 864 дојки у 740 пацијенткиња. Студија је спроведена у току рутинског рада у Центру за имиџинг дијагностику Институту за онкологију Војводине. 2Д + 3Д мамографија су начињене појединачно или у истом акту снимања као комбо опција на Selenia Dimensions апарату произвођача фирме Холоџик. Радиолошки извешатаји су класификовани у категорије 1-5 према АЦР БИ РAДС-у. Патохистолошка верификација је вршена у свих суспектних промена или у току њиховог праћења . Све пацијенткиње са у

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39

Herd, Olivia Jayne. "Analysis of radiosensitivity in South African cervical and breast cancer patients." Thesis, 2015. http://hdl.handle.net/10539/18487.

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Introduction: Ionising radiation can cause DNA double strand breaks (DSB), that result in chromosomal aberrations if un- or mis-repaired. Individuals with compromised DNA damage repair mechanisms display increased chromosomal radiosensitivity. The G0-micronucleus assay (MN assay) and the γ-H2AX assay are two assays used in radiobiology to study DNA DSB and repair. Breast cancer is the leading cancer amongst South African women, with a lifetime risk of 1 in 34. Since most cancer patients in South Africa present with late-stage disease, chemotherapy and radiotherapy are commonly-used treatments

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40

Vujovic, Nenad. "Registration of time-sequences of random textures with application to mammogram follow-up /." Diss., 1997. http://gateway.proquest.com/openurl?url_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:dissertation&res_dat=xri:pqdiss&rft_dat=xri:pqdiss:9734881.

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41

Maskarinec, Gertraud. "The impact of mammography utilization on breast cancer incidence in Hawaii." Thesis, 1996. http://hdl.handle.net/10125/9393.

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42

Sampat, Mehul Pravin. "Evidence-based detection of spiculated lesions on mammography." Thesis, 2006. http://hdl.handle.net/2152/2914.

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43

Govender, Yoguvathie. "An evaluation of computerised tomography (CT) based treatment planning versus digitised image planning (standard planning technique) for carcinoma of the breast, using the four field breast technique." Thesis, 2007. http://hdl.handle.net/10321/123.

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Thesis (M.Tech.: Radiography)-Dept. of Radiography, Durban University of Technology, 2007 xxiv, 142 leaves, Annexures A-L<br>The aim of the study was to evaluate CT-based treatment planning versus digitised image planning (standard planning technique) for carcinoma of the breast, using the four-field breast technique, in terms of the depth of supraclavicular and axillary nodes, the variability of the breast tissue and the dose inhomogeneity at the matchline.

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44

Janse, van Rensburg Mariska. "Application of ultrasound characteristics in the accurate prediction of benign versus malignant solid breast nodules." Thesis, 2012. http://hdl.handle.net/10210/7855.

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M.Tech.<br>To determine whether a combination of real-time B-Mode ultrasound, Doppler Color flow and Power Doppler flow mapping would be reliable in differentiating benign from malignant breast nodules in an attempt to avoid unnecessary biopsies, where after ultrasound guidelines would be formulated. A quantitative cross-sectional comparative descriptive design in a study population which consisted of 62 women over the age of 35 years who came to Klerksdorp Radiology services for mammography. Both breast ultrasound imaging and mammography was used as a routine procedure as part of the workup f

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45

Andrews, Caryn. "The measurement of modesty among Jewish American women /." 2004. http://wwwlib.umi.com/dissertations/fullcit/3131504.

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46

Cheok, Frida. "Participation in mammographic screenings in South Australia / Frida Cheok." Thesis, 1998. http://hdl.handle.net/2440/19292.

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Includes bibliographical references (18 leaves).<br>2 v. : ill., maps ; 30 cm.<br>Examines the factors that predict attendence to mammography screening by comparing various groups of attenders and non-attenders.<br>Thesis (Ph.D.) -- University of Adelaide, Dept. of Public Health, 1999

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47

Coyne, Jennifer Tressa. "Mammography screening : the role of the fear appeals and message framing, and the application of the health belief model and the extended parallel process model." Thesis, 2011. http://hdl.handle.net/1885/149749.

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Breast cancer is a prominent and severe disease affecting Australian women and a decrease in breast cancer mortality rates has been attributed to mammography screening. Phase one of this study tests the application of the Health Belief Model (HBM) with mammography screening behaviour, and further tests the value of an extended HBM involving three additional variables. Phase two of this study tests the Framing Postulate of Prospect Theory and attempts to explain results by using the Extended Parallel Process Model (EPPM) and the HBM. Participants included 269 women aged 50 to 69 years and inclu

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48

Clarke, Philip M. "Valuing the benefits of health care in monetary terms with particular reference to mammographic screening." Phd thesis, 1997. http://hdl.handle.net/1885/144282.

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49

Louw, Amanda. "Preferences and perceptions of female patients undergoing mammography in Gauteng, South Africa." Thesis, 2012. http://hdl.handle.net/10210/7138.

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M.Tech.<br>Mammography is most important in the detection of breast cancer but due to its intimate nature and the perception that it is uncomfortable and painful, many women do not optimally support mammography as a diagnostic and screening tool for breast cancer. Many factors influence the mammogram experience of patients. This research explored the preferences and perceptions of patients regarding mammographer gender and personality traits as well as student involvement in mammogram procedures. To promote positive perceptions of mammography and to ensure the availability of adequately traine

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Chawla, Amarpreet. "Correlation Imaging for Improved Cancer Detection." Diss., 2008. http://hdl.handle.net/10161/925.

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<p>We present a new x-ray imaging technique, Correlation Imaging (CI), for improved breast and lung cancer detection. In CI, multiple low-dose radiographic images are acquired along a limited angular arc. Information from unreconstructed angular projections is directly combined to reduce the effect of overlying anatomy - the largest bottleneck in diagnosing cancer with projection imaging. In addition, CI avoids reconstruction artifacts that otherwise limit the performance of tomosynthesis. This work involved assessing the feasibility of the CI technique, its optimization, and its implementatio

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