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Tesis sobre el tema "Diagnostic imaging"

Autor: Grafiati

Publicado: 4 de junio de 2021

Última modificación: 25 de julio de 2025

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1

Dhillon, Ravinder. "Diagnostic imaging pathways." University of Western Australia. School of Medicine and Pharmacology, 2007. http://theses.library.uwa.edu.au/adt-WU2007.0126.

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[Truncated abstract] Hypothesis: There is deficiency in the evidence base and scientific underpinning of existing diagnostic imaging pathways (DIP) for diagnostic endpoints. Objective: a) To carry out systematic review of literature in relation to use of diagnostic imaging tests for diagnosis and investigation of 78 common clinical problems, b) To identify deficiencies and controversies in existing diagnostic imaging pathways, and to develop a new set of consensus based pathways for diagnostic imaging (DIP) supported by evidence as an education and decision support tool for hospital based doct

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2

Dhillon, Ravinder. "Diagnostic imaging pathways /." Connect to this title, 2006. http://theses.library.uwa.edu.au/adt-WU2007.0126.

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3

Rijn, Jeroen Christoffel van. "Multidimensionality in diagnostic imaging." [S.l. : Amsterdam : s.n.] ; Universiteit van Amsterdam [Host], 2006. http://dare.uva.nl/document/89940.

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4

OLDEN, JULIE, Pete Nielsen, Nicole Schechter, and Patrick Ackerman. "IMAGING DIAGNOSTIC LABORATORIES: BUSINESS PLAN." Thesis, The University of Arizona, 2008. http://hdl.handle.net/10150/190714.

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5

Wong, Effie. "Imaging tumour and apoptosis with novel radiopharmaceuticals." Thesis, The University of Sydney, 2007. https://hdl.handle.net/2123/28100.

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The focus of the project has two aspects associated with tumour imaging. The primary and major focus of my thesis was to assess the potential of a radiolabelled agent, 99mTc-Hynic-Annexin V, for the in vivo imaging of apoptosis after chemotherapy and radiotherapy in nude mice bearing thymoma tumours. The second aspect of the thesis examines the potential of a glucose analog, 99mTclabelled 2-deoxyglucosamine (99mTc—ECDG), to detect tumours based on the increased glucose metabolism of tumours in an attempt to evaluate if it can substitute the PET agent, 18F— labelled fluorodeoxyglucose (l

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6

Dahlström, Nils. "Magnetic Resonance Imaging of the Hepatobiliary System Using Hepatocyte-Specific Contrast Media." Licentiate thesis, Linköping University, Linköping University, Linköping University, Radiology, 2009. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-17918.

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<p>There are two Gadolinium-based liver-specific contrast media for Magnetic Resonance Imaging on the market, Gd-BOPTA (MultiHance®, Bracco Imaging, Milan, Italy) and Gd-EOB-DTPA (Primovist®, Bayer Schering Pharma, Berlin, Germany). The aim of this study in two parts was to evaluate the dynamics of biliary, parenchymal and vascular enhancement using these contrast media in healthy subjects. Ten healthy volunteers were examined in a 1.5 T magnetic resonance system using three-dimensional Volumetric Interpolated Breath-Hold (VIBE) sequences for dynamic imaging with both contrast media – at two d

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7

Bennett, Dr Alexander. ""Diagnostic and Prognostic Imaging in Spondyloarthropathy"." Thesis, University of Leeds, 2010. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.534424.

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8

Coombs, Malcolm Iain. "Diagnostic Imaging Of The Temporomandibular Joint." Thesis, The University of Sydney, 1986. http://hdl.handle.net/2123/4965.

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9

Banzato, Tommaso. "Diagnostic Imaging in Snakes and Lizards." Doctoral thesis, Università degli studi di Padova, 2013. http://hdl.handle.net/11577/3422622.

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The increasing popularity of snakes and lizards as pets has led to an increasing demand of specialised veterinary duties in these animals. Diagnostic imaging is often a fundamental step of the clinical investigation. The interpretation of diagnostic images is complex and requires a broad knowledge of anatomy, physiology and pathology of the species object of the clinical investigation. Moreover, in order to achieve a correct diagnosis, the comparison between normal and abnormal diagnostic images, for all the diagnostic imaging modalities, is mandatory. In this PhD thesis the diagnostic imagin

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10

Egbe, Nneoyi Onen. "Measurement of dose in diagnostic radiology and the effect of dose reduction on image quality." Thesis, Available from the University of Aberdeen Library and Historic Collections Digital Resources. Online version available for University members only until March, 23, 2010, 2008. http://digitool.abdn.ac.uk:80/webclient/DeliveryManager?application=DIGITOOL-3&owner=resourcediscovery&custom_att_2=simple_viewer&pid=25469.

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11

Basoglu, Chris. "A generalized programmable system and efficient algorithms for ultrasound backend processing /." Thesis, Connect to this title online; UW restricted, 1997. http://hdl.handle.net/1773/5978.

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12

Haigh, Julian Saunders. "Investigation in to the Effect of Spin Locking on Contrast Agent Relaxivity." PDXScholar, 2015. http://pdxscholar.library.pdx.edu/open_access_etds/2496.

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The current trend in magnetic resonance imaging (MRI) is towards higher external magnetic field strengths (B0) to take advantage of increased sensitivity and signal to noise ratio (SNR). Unfortunately, as (B0) increases the effectiveness (relaxivity) of clinical gadolinium (Gd3+)-based contrast agents (CAs) administered to enhance image contrast is significantly reduced. Excellent soft tissue contrast can be generated with current agents despite their non-optimum relaxivities but necessitates large doses. The limits of detection of a CA at high B0 fields can be lowered by recovering the lost r

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13

Price, R. "Developing practice in radiography and diagnostic imaging." Thesis, University of Hertfordshire, 2007. http://hdl.handle.net/2299/1056.

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An increase in the range and capability of imaging modalities has resulted in greater demands for radiology services. This research investigates how these changes have affected role requirements and role extensions of radiographers and the consequent implications for the educational needs of radiographers. Semi-structured interviews and three successive surveys of NHS radiography managers showed that the adoption and diffusion of extended roles in radiography had increased significantly over a ten year period. Role changes included additions both to the procedures carried out by radiographers,

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14

Juntunen, M. (Mikael). "Diagnostic and quantitative imaging of knee osteoarthritis." Bachelor's thesis, University of Oulu, 2016. http://urn.fi/URN:NBN:fi:oulu-201606302589.

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Articular cartilage is a connective tissue, that provides virtually frictionless articulation between bones in a joint. Degenerative joint disease, osteoarthritis (OA), is the most common type of arthritis. During its development, cartilage is progressively lost, decreasing the functional capacity of the joint. Currently it is diagnosed with radiography, which might not show changes in cartilage tissue during the early stages of OA. In radiography, cartilage degeneration might be visible only when OA has progressed to advanced stage. The lack of effective treatment methods for advanced stage o

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15

Yeung, Tin-wai, and 楊天慧. "Use of three-dimensional ultrasound in the prediction of homozygous alpha0-thalassemia." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2008. http://hub.hku.hk/bib/B41290616.

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16

Leung, Kwok-yin, та 梁國賢. "Prenatal ultrasound prediction of homozygous α⁰-thalassemia". Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2012. http://hub.hku.hk/bib/B47454039.

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Homozygous α0-thalassemia is a serious autosomal recessive disorder with poor fetal outcome and severe maternal complications. Conventionally, prenatal diagnosis is performed by an invasive test. A non-invasive approach using serial ultrasonography can effectively reduce the need for invasive tests in unaffected pregnancies. For two-dimensional ultrasound prediction, a total of 777 at-risk fetuses were studied from 12 to 20 weeks between 1995 and 2006. At 12–15 weeks’ gestation, the highest sensitivity (98.3%) was achieved by the combination of fetal cardiothoracic ratio (CTR) and/o

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17

Agustsson, Hilmir. "Diagnostic Musculoskeletal Imaging: How Physical Therapists Utilize Imaging in Clinical Decision-Making." Diss., NSUWorks, 2018. https://nsuworks.nova.edu/hpd_pt_stuetd/72.

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This qualitative study describes how physical therapist experts in musculoskeletal disorders evaluate and interpret imaging studies and how they employ imaging in clinical decision-making. The informants are physical therapists who are certified orthopedic clinical specialists (OCS) and/or fellows of the American Academy of Orthopaedic Manual Physical Therapists (AAOMPT). The study employed web conferencing to display patient cases, record screen-capture videos, and to conduct interviews. Informants were observed and their activity video-captured as they evaluated imaging studies and, afterwar

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18

Thomas, Kristine A. "Image Processing as Applied to Medical Diagnostics." Thesis, University of Oregon, 2010. http://hdl.handle.net/1794/10724.

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xi, 56 p. : ill. (some col.) A print copy of this thesis is available through the UO Libraries. Search the library catalog for the location and call number.<br>Image processing is a powerful tool for increasing the reliability and reproducibility of disease diagnostics. In the hands of pathologists, image processing provides quantitative data from histological images which supplement the qualitative data currently used by specialists. This thesis presents a novel method for analyzing digitized images of hematoxylin and eosin (H&E) stained histology slides to detect and quantify inflamma

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19

Deurloo, Eline E. "Correlation of diagnostic breast imaging data and pathology application to diagnosis and treatment /." [S.l. : Amsterdam : s.n.] ; Universiteit van Amsterdam [Host], 2005. http://dare.uva.nl/document/78340.

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20

Wang, Lei. "Molecular Probes for Pancreatic Cancer Imaging." PDXScholar, 2016. http://pdxscholar.library.pdx.edu/open_access_etds/3108.

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Pancreatic ductal adenocarcinoma (PDAC) has the poorest five-year survival rate of any cancer. Currently, there are no effective diagnostics or chemotherapeutics. Surgical resection is the only curative therapy. However, most patients experience recurrence due largely to challenges in assessing tumor margin status in the operating room. Molecular probes that selectively highlight pancreatic cancer tissue, having the potential to improve PDAC margin assessment intraoperatively, are urgently needed. In this work, a series of red and near-infrared fluorescent probes is reported. Two were found to

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21

Bruwer, Mark-John MacGregor John Frederick. "Process systems approaches to diagnostic imaging and identification." *McMaster only, 2006.

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22

Dumbarton, Carolyn. "Infection control practices within the Diagnostic Imaging Department." Thesis, Bangor University, 2007. https://research.bangor.ac.uk/portal/en/theses/infection-control-practices-within-the-diagnostic-imaging-department(162b6def-6638-4bd6-9dce-31069248c31c).html.

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This study investigated radiographers' infection control practice within the Diagnostic Imaging Department. The investigation was carried out in three phases. Structured observations were carried out in four hospitals to determine the frequency and identify the situations in which infection control procedures were performed. Bacterial analysis was performed on equipment in one hospital to identify levels of contamination associated with the lack of cleaning witnessed during the observational study. Finally Focus Group discussions were used in two hospitals to establish the opinions and attitud

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23

Chang, Yiu-chuen, and 張耀泉. "Super resolution technique and its potential usage in medical imaging." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2014. http://hdl.handle.net/10722/198844.

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Purpose: Medical imaging systems are used to scan patients to obtain valuable information for diseases diagnosis and assisting treatment. An ideal scanner should be sensitive enough to detect any trace amount of abnormal tissue at its early stage. With the continuous development of high-tech treatment systems such as Tomotherapy (manufactured by Tomo HD), the high-resolution imaging system is favorable to reduce the damage of normal tissue due to the image guidance of Mega-voltage beam before treatment. In this study, a software approach was presented to improve image resolution without hard

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24

MYERS, KYLE JEAN. "VISUAL PERCEPTION IN CORRELATED NOISE (MODELS)." Diss., The University of Arizona, 1985. http://hdl.handle.net/10150/188006.

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This dissertation concerns the ability of human observers to perform detection tasks in medical images that contain structured noise. We shall show that physical measures of image quality, such as signal-to-noise ratio (SNR), resolution, modulation transfer function (MTF), and contrast, do not accurately predict how well an observer can detect lesions in an image. We have found that for images with equal pixel SNR, humans can detect a low contrast object more readily in images that have a low-pass noise structure, as opposed to a high-pass noise structure. This finding is important in the comp

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25

Pereira, Raul Alexandre Marques. ""Reliability of diagnostic procedures in medical imaging: Narrow Band Imaging Endoscopy in gastric disease"." Master's thesis, Faculdade de Medicina da Universidade do Porto, 2009. http://hdl.handle.net/10216/55712.

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26

Pereira, Raul Alexandre Marques. ""Reliability of diagnostic procedures in medical imaging: Narrow Band Imaging Endoscopy in gastric disease"." Dissertação, Faculdade de Medicina da Universidade do Porto, 2009. http://hdl.handle.net/10216/55712.

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27

Raubenheimer, Lauren. "Corpus callosum morphology in children on mid-sagittal MR imaging." Master's thesis, University of Cape Town, 2018. http://hdl.handle.net/11427/29692.

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Background: There is little published research on the wide variation of corpus callosum (CC) morphology in children, the assessment of which is made difficult by the complex alteration of its appearance in childhood. Objective: The purpose of our study was to assess the morphology of the CC on mid-sagittal T1- weighted magnetic resonance imaging (MRI) in a large number of children and correlate the findings with demographic and clinical criteria. Materials and methods: We reviewed all brain mid-sagittal T1-weighted MRI’s performed from July to December 2015 and obtained relevant demographic an

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28

Schifino, Valente Ana Luisa. "Diagnostic imaging of the Loggerhead sea turtle (Caretta caretta)." Doctoral thesis, Universitat Autònoma de Barcelona, 2007. http://hdl.handle.net/10803/5744.

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The aims of this work are:<br/>1. To provide the normal cervical and coelomic radiographic appearance of the Loggerhead sea turtle, in the dorso-ventral view, as well as other useful landmarks, to allow for correlation of shell scutes with internal anatomic structures. <br/>2. To provide the normal radiographic anatomy of the limbs of the Loggerhead sea turtle in combination with data obtained from computed tomography - osteological, gross anatomical and histological data.<br/>3. To describe the normal ultrasonographic appearance of cervical structures and coelomic organs of the Loggerhead sea

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29

Wagner, Wencke M. "Diagnostic imaging of the normal common marmoset (Callithrix jacchus)." Diss., University of Pretoria, 2004. http://upetd.up.ac.za/thesis/available/etd-06282005-111803/.

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30

Ofori, Eric Kwasi. "Development of quality standards for diagnostic imaging in Ghana." Thesis, University of Liverpool, 2009. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.511043.

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31

Shallof, Abulgasim M. "Multi-frequency electrical impedance tomography for medical diagnostic imaging." Thesis, University of Sheffield, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.265987.

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32

Pye, Stephen Dominic. "Medical ultrasonics : adaptive time gain compensation in diagnostic imaging." Thesis, University of Edinburgh, 1987. http://hdl.handle.net/1842/29955.

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33

Denniss, Jonathan. "Diagnostic imaging and the structure-function relationship in glaucoma." Thesis, University of Manchester, 2010. https://www.research.manchester.ac.uk/portal/en/theses/diagnostic-imaging-and-the-structurefunction-relationship-in-glaucoma(24b94e53-d0b9-4437-a639-8ea739049d22).html.

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This thesis describes a series of investigations into the use of optic nerve head (ONH) imaging in primary open-angle glaucoma (POAG), and its relation to visual function. Accurate diagnosis is a key issue in POAG, particularly the difficult task of separating those with early disease from those healthy individuals who display signs of POAG. The purpose of this work is to improve diagnostic methods in glaucoma through use of ONH imaging and its relationship with visual field (VF) loss. First, the performance of a group of expert clinicians evaluating ONH photographs for glaucomatous damage was

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34

Renkoski, Timothy Eli. "Autofluorescence-Based Diagnostic UV Imaging of Tissues and Cells." Diss., The University of Arizona, 2013. http://hdl.handle.net/10150/301767.

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Cancer is the second leading cause of death in the United States, and its early diagnosis is critical to improving treatment options and patient outcomes. In autofluorescence (AF) imaging, light of controlled wavelengths is projected onto tissue, absorbed by specific molecules, and re-emitted at longer wavelengths. Images of re-emitted light are used together with spectral information to infer tissue functional information and diagnosis. This dissertation describes AF imaging studies of three different organs using data collected from fresh human surgical specimens. In the ovary study, illu

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35

GIANI, Arianna Maria. "A journey through the chemistry of diagnostic imaging probes." Doctoral thesis, Università del Piemonte Orientale, 2016. http://hdl.handle.net/11579/115174.

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36

Stöckmann, Henning. "The development of new agents for molecular imaging in cancer." Thesis, University of Cambridge, 2012. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.610030.

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37

Bossart, Elizabeth L. "Magnetic resonance imaging and spectroscopy for the study of translational diffusion applications to nervous tissue /." [Florida] : State University System of Florida, 1999. http://etd.fcla.edu/etd/uf/1999/amj9926/bossart.pdf.

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Thesis (Ph. D.)--University of Florida, 1999.<br>Title from first page of PDF file. Document formatted into pages; contains xiv, 137 p.; also contains graphics. Vita. Includes bibliographical references (p. 129-136).

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38

York, George W. P. "Architecture and algorithms for a fully programmable ultrasound system /." Thesis, Connect to this title online; UW restricted, 1999. http://hdl.handle.net/1773/5931.

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39

Willians, Razana. "Knowledge and understanding of radiographers regarding supraspinatus outlet projection for shoulder impingement syndrome." Thesis, Nelson Mandela Metropolitan University, 2015. http://hdl.handle.net/10948/4456.

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The shoulder is a complex anatomical structure and imaging plays an important role in the diagnosis and management of shoulder conditions. The complexity of the shoulder’s anatomy has led to the development of multiple radiographic projections and techniques within plain film imaging with each projection intended to demonstrate specific aspects of the anatomy of the shoulder. However, reproducing the required projections can be difficult especially if radiographers are not familiar with the projections and their evaluation criteria. Literature has revealed the importance of a comprehensive kno

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40

Tang, Mei-yee. "Medical imaging : applications of functional magnetic resonance imaging and the development of a magnetic resonance compatible ultrasound system /." View the Table of Contents & Abstract, 2006. http://sunzi.lib.hku.hk/hkuto/record/B36749710.

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41

Tang, Mei-yee, and 鄧美宜. "Medical imaging: applications of functional magnetic resonance imaging and the development of a magnetic resonancecompatible ultrasound system." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2006. http://hub.hku.hk/bib/B37897688.

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42

Bashri, Mohd Saiful Riza. "Wearable devices for microwave head diagnostic systems." Thesis, University of Edinburgh, 2018. http://hdl.handle.net/1842/33243.

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Although current head imaging technologies such as magnetic resonance imaging (MRI) and computed tomography (CT) are capable of providing accurate diagnosis of brain injuries such as stroke and brain tumour, they have several limitations including high cost, long scanning time, bulky and mostly stationary. On the other hand, radar-based microwave imaging technology can offer a low cost, non-invasive and non-ionisation method to complement these existing imaging techniques. Moreover, a compact and wearable device for microwave head imaging is required to facilitate frequent or real-time monitor

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43

Kairdolf, Brad A. "Development of polymer-coated nanoparticle imaging agents for diagnostic applications." Diss., Atlanta, Ga. : Georgia Institute of Technology, 2009. http://hdl.handle.net/1853/31845.

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Thesis (Ph.D)--Biomedical Engineering, Georgia Institute of Technology, 2010.<br>Committee Chair: Nie, Shuming; Committee Member: Bao, Gang; Committee Member: Murthy, Niren; Committee Member: Varma, Vijay; Committee Member: Wang, Zhong Lin. Part of the SMARTech Electronic Thesis and Dissertation Collection.

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44

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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45

Moncrieff, Marc Dominic Spence. "The clinical application of spectrophotometric intracutaneous analysis for the diagnosis of cutaneous malignant melanoma." Thesis, University of East Anglia, 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.268493.

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46

Roberts, Timothy Paul Leslie. "Radiofrequency pulse design for use in nuclear magnetic resonance imaging and localized spectroscopy." Thesis, University of Cambridge, 1992. https://www.repository.cam.ac.uk/handle/1810/283680.

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47

Yocky, David Alan. "Characterization and evaluation of a photostimulable phosphor x ray imaging system." Diss., The University of Arizona, 1988. http://hdl.handle.net/10150/184529.

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This dissertation presents the characterization and evaluation of a new radiological imaging modality, Toshiba Computed Radiography (TCR) 201. The characteristics of the TCR storage phosphor imaging plates such as energy-dependent x-ray quantum efficiency, stored signal decay, low exposure rate signal build-up, and spontaneous and stimulated gain measures are presented. The TCR 201 system is characterized by the signal transfer curve, the total root-mean-squared (rms) output noise, the signal-to-noise ratio, the modulation transfer function (MTF), its noise power spectrum (NPS), and the detect

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48

Ng, Aik Hao. "Hybrid gamma camera imaging : translation from bench to bedside." Thesis, University of Nottingham, 2018. http://eprints.nottingham.ac.uk/49335/.

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There is increasing interest in the use of small field of view (SFOV) portable gamma cameras in medical imaging. A novel hybrid optical-gamma camera (HGC) has been developed through a collaboration between the Universities of Leicester and Nottingham. This system offers high resolution gamma and optical imaging and shows potential for use at the patient bedside, or in the operating theatre. The aim of this thesis was to translate the HGC technology from in vitro laboratory studies to clinical use in human subjects. Pilot studies were undertaken with the HGC as part of this thesis. Furthermore,

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49

Ooi, Gaik Cheng, and 黃玉清. "Role of imaging in evaluation of lung involvement in severe acute respiratory syndrome (SARS)." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2010. http://hub.hku.hk/bib/B47468713.

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Diagnostic imaging played a substantial role in the management and treatment of patients during the Severe Acute Respiratory Syndrome (SARS) outbreak when daily chest radiographs were performed as a measure of disease severity and respiratory status. This thesis was performed to address several issues relating to the radiological spectrum of SARS, its temporal pattern on chest radiograph and high resolution computed tomography (HRCT) during the course of disease, and relationships between severity of opacities quantified on chest radiographs and clinical parameters including treatment

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50

Raichur, Rohan. "A novel technique to improve the resolution & contrast of planar nuclear medicine imaging." Akron, OH : University of Akron, 2008. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=akron1226955205.

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Thesis (M.S.)--University of Akron, Dept. of Biomedical Engineering, 2008.<br>"December, 2008." Title from electronic thesis title page (viewed 12/13/2009) Advisor, Dale H. Mugler; Co-Advisor, Anthony M. Passalaqua; Committee members, Daniel B. Sheffer; Department Chair, Daniel B. Sheffer; Dean of the College, George K. Haritos; Dean of the Graduate School, George R. Newkome. Includes bibliographical references.

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