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Relevant bibliographies by topics / Magnetic resonance imaging Pancreas / Dissertations / Theses

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Dissertations / Theses on the topic 'Magnetic resonance imaging Pancreas'

Author: Grafiati

Published: 4 June 2021

Last updated: 7 February 2022

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1

Haque, Muhammad E. "Manganese enhanced functional magnetic resonance imaging of endogenous pancreas and isolated human islets." Fairfax, VA : George Mason University, 2007. http://hdl.handle.net/1920/2930.

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Thesis (Ph. D.)--George Mason University, 2007.<br>Title from PDF t.p. (viewed Jan. 18, 2008). Thesis director: Robert V. Honeychuck. Submitted in partial fulfillment of the requirements for the degree of Doctor of Philosophy in Environmental Science and Public Policy. Vita: p. 154. Includes bibliographical references. Also available in print.

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2

Stabler, Cheryl Lynn. "Development of Noninvasive Methods for Monitoring Tissue Engineered Constructs using Nuclear Magnetic Resonance." Diss., Georgia Institute of Technology, 2004. http://hdl.handle.net/1853/5239.

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Implanted tissue engineered substitutes constitute dynamic systems, with remodeling mediated by both the implanted cells and the host. Thus, there exists a significant need for methods to monitor the function and morphology of tissue engineered constructs. Noninvasive monitoring using 1H Nuclear Magnetic Resonance (NMR) spectroscopy and imaging can prove to be the solution to this problem. Spectroscopy allows for assessment of cellular function through the monitoring of inherent metabolic markers, such as total-choline, while high resolution imaging enables the evaluation of construct morph

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3

Opitz, Armin Walter. "Structural and functional investigations of a molecular imaging nanoparticle for magnetic resonance imaging of oncogene expression in the pancreas." Access to citation, abstract and download form provided by ProQuest Information and Learning Company; downloadable PDF file, 490 p, 2008. http://proquest.umi.com/pqdweb?did=1459924631&sid=13&Fmt=2&clientId=8331&RQT=309&VName=PQD.

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Thesis (Ph.D.)--University of Delaware, 2008.<br>Principal faculty advisors: Norman J. Wagner, Dept. of Chemical Engineering, University of Delaware; Eric Wickstrom, Dept. of Biochemistry and Molecular Biology, Thomas Jefferson University. Includes bibliographical references.

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4

Bali, Maria Antonietta. "Non-invasive quantitative evaluation of the exocrine pancreas in physiologic and pathologic conditions using functional magnetic resonance imaging." Doctoral thesis, Universite Libre de Bruxelles, 2011. http://hdl.handle.net/2013/ULB-DIPOT:oai:dipot.ulb.ac.be:2013/209823.

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The proposal of this work was to determine the contribution of functional MR imaging techniques, i.e. secretin-enhanced MRCP (S-MRCP) and dynamic contrast-enhanced magnetic resonance (DCE-MR) imaging in the quantitative assessment of exocrine pancreatic function and perfusion.<p><p>The pancreas is both an exocrine and endocrine organ, though the exocrine tissue accounts for more than 90%. The exocrine pancreas is specialized in the synthesis and storage of digestive enzymes and in bicarbonate and water secretion in response respectively to various secretagogues (CCK, ach, GRP, VIP,…) and to se

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5

Uyeno, Fábio Akira. "Avaliação do parênquima pancreático no Diabetes Mellitus através de métodos quantitativos de ressonância magnética." Universidade de São Paulo, 2015. http://www.teses.usp.br/teses/disponiveis/17/17158/tde-02022016-105600/.

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Objetivos: Comparar quantitativamente por técnicas de ressonância magnética (RM), a fração de gordura pancreática em indivíduos sadios, obesos e diabéticos (tipos 1 e 2). Secundariamente, buscou-se identificar diferença das medidas do ADC (difusão) no parênquima pancreático. Materiais e Métodos: Estudo retrospectivo com avaliação por dois radiologistas de imagens de RM abdominal de 89 indivíduos (56 controles; 33 diabéticos). Utilizadas três sequências: T1-GRE em fase e fora de fase; difusão (mapa ADC). Calculados e comparados frações de gordura e valores médios do ADC pancreáticos nos grupos.

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6

Junior, Paulo Ivan Ferreira Guimarães. "Métodos seccionais de imagem na avaliação do transplante de pâncreas." Universidade de São Paulo, 2017. http://www.teses.usp.br/teses/disponiveis/17/17158/tde-25042018-145201/.

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Introdução: O transplante de pâncreas é uma opção terapêutica para pacientes portadores de diabetes mellitus, quando bem indicado, com objetivo de restaurar a normoglicemia sem necessidade de uso de insulina, sendo que a técnica mais utilizada é o transplante simultâneo pâncreas-rim. Houve aumento da indicação e realização deste procedimento em todo o mundo nos últimos anos, crescendo a importância de se conhecer os aspectos de imagem no pré e pós-transplante de pâncreas. Objetivos: Avaliar e discutir o papel das diferentes modalidades de exames de imagem empregadas na avaliação no pré e pós-t

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7

Detappe, Alexandre. "AGuIX, une nanoparticule théranostique pour améliorer la radiothérapie guidée par l’image : preuve de concept appliquée au cancer du pancréas." Thesis, Lyon, 2017. http://www.theses.fr/2017LYSE1032/document.

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L'efficacité des nanoparticules AGuIX a été démontré avec des irradiations précliniques ou monoénergétiques pour les cancers du cerveau, tête et cou, et poumon. L'irradiation préclinique de faible énergie (220 kV), et l'irradiation clinique (6 MV) sont adaptées pour activer les nanoparticules. L'effet radiosensibilisant des nanoparticules métalliques étant principalement causé par effet photoélectrique, il est nécessaire d'utiliser des photons d'énergie proche de la raie K du gadolinium (50.2 keV) afin de créer une interaction avec les électrons de l'atome dans le but d'amplifier localement la

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8

Epaule, Céline. "Nouvelle approche d'imagerie pour l’étude de la biodistribution de nanomédicaments." Thesis, Université Paris-Saclay (ComUE), 2017. http://www.theses.fr/2017SACLS435.

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La distribution in vivo des médicaments est étudiée par des techniques quantitatives faiblement ou non résolues spatialement. Avec l'apparition des thérapies personnalisées, des études plus approfondies sont nécessaires pour connaître précisément le comportement des molécules vectorisées sous la forme de nanoparticules (NPs). Dans le cadre du programme européen Ternanomed, ce projet de recherche a pour objectif d’évaluer la capacité de deux techniques d’imagerie appliquées à l’étude de la distribution de nanomédicaments à base de squalène et de Cis platine (Cis-Pt). Ces deux techniques ont été

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9

Lee, Kuan Jin. "Fast magnetic resonance imaging." Thesis, University of Sheffield, 2003. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.397487.

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10

O'Neil, Shannon M. "Magnetic resonance imaging centers /." Online version of thesis, 1994. http://hdl.handle.net/1850/11916.

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11

Lu, Wenmiao. "Off-resonance correction in magnetic resonance imaging /." May be available electronically:, 2008. http://proquest.umi.com/login?COPT=REJTPTU1MTUmSU5UPTAmVkVSPTI=&clientId=12498.

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12

Manners, David Neil. "Magnetic resonance imaging and magnetic resonance spectroscopy of skeletal muscle." Thesis, University of Oxford, 2002. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.269250.

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13

Petropoulos, Labros Spiridon. "Magnetic field issues in magnetic resonance imaging." Case Western Reserve University School of Graduate Studies / OhioLINK, 1993. http://rave.ohiolink.edu/etdc/view?acc_num=case1060710667.

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14

Campbell, Jennifer 1975. "Magnetic resonance diffusion tensor imaging." Thesis, McGill University, 2000. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=30809.

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Magnetic resonance imaging (MRI) can be used to image diffusion in liquids, such as water in brain structures. Molecular diffusion can be isotropic or anisotropic, depending on the fluid's environment, and can therefore be characterized by a scalar, D, or by a tensor, D, in the respective cases. For anisotropic environments, the eigenvector of D corresponding to the largest eigenvalue indicates the preferred direction of diffusion.<br>This thesis describes the design and implementation of diffusion tensor imaging on a clinical MRI system. An acquisition sequence was designed and post-processin

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15

Eichner, Cornelius. "Slice-Accelerated Magnetic Resonance Imaging." Doctoral thesis, Universitätsbibliothek Leipzig, 2015. http://nbn-resolving.de/urn:nbn:de:bsz:15-qucosa-184944.

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This dissertation describes the development and implementation of advanced slice-accelerated (SMS) MRI methods for imaging blood perfusion and water diffusion in the human brain. Since its introduction in 1977, Echo-Planar Imaging (EPI) paved the way toward a detailed assessment of the structural and functional properties of the human brain. Currently, EPI is one of the most important MRI techniques for neuroscientific studies and clinical applications. Despite its high prevalence in modern medical imaging, EPI still suffers from sub-optimal time efficiency - especially when high isotropic res

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16

Lindsay, Alistair. "Magnetic resonance imaging of atherosclerosis." Thesis, University of Oxford, 2010. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.526491.

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17

Glover, Paul Martin. "High field magnetic resonance imaging." Thesis, University of Nottingham, 1993. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.335575.

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18

Yoo, Seung-Schik 1970. "Adaptive functional magnetic resonance imaging." Thesis, Massachusetts Institute of Technology, 2000. http://hdl.handle.net/1721.1/70893.

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Thesis (Ph.D.)--Massachusetts Institute of Technology, Dept. of Nuclear Engineering, 2000.<br>Some research performed with the Harvard-M.I.T. Division of Health Sciences and Technology.<br>Includes bibliographical references (leaves 132-140).<br>Functional MRI (fMRI) detects the signal associated with neuronal activation, and has been widely used to map brain functions. Locations of neuronal activation are localized and distributed throughout the brain, however, conventional encoding methods based on k-space acquisition have limited spatial selectivity. To improve it, we propose an adaptive fM

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19

Harvey, Ian. "Magnetic resonance imaging in schizophrenia." Thesis, University of Edinburgh, 1991. http://hdl.handle.net/1842/19829.

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20

Yoshimaru, Eriko Suzanne. "Magnetic Resonance Imaging Techniques for Rodent Pulmonary Imaging." Diss., The University of Arizona, 2013. http://hdl.handle.net/10150/293388.

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Magnetic Resonance Imaging (MRI) is a safe and widely used diagnostic imaging method that allows in vivo observation of anatomy and characterization of tissues. MRI provides a method to monitor patients without invasive measures, making it suitable for both diagnostics and longitudinal monitoring of various pathologies. A notable example of this is the work carried out by the Alzheimer's Disease Neuroimaging Initiative (ADNI), which utilizes imaging, including multiple MRI techniques, to monitor disease progression in AD patients and evaluates treatment responses and prevention strategies.

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21

Sharkey-Toppen, Travis P. "Imaging Iron and Atherosclerosis by Magnetic Resonance Imaging." The Ohio State University, 2015. http://rave.ohiolink.edu/etdc/view?acc_num=osu1429796182.

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22

MA, DAN. "Magnetic Resonance Fingerprinting." Case Western Reserve University School of Graduate Studies / OhioLINK, 2015. http://rave.ohiolink.edu/etdc/view?acc_num=case1426170542.

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23

Lei, Hao. "Magnetic resonance perfusion imaging and double quantum coherence transfer magnetic resonance spectroscopy." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1999. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape7/PQDD_0021/NQ45007.pdf.

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24

McDougall, Mary Preston. "Single echo acquisition magnetic resonance imaging." Texas A&M University, 2004. http://hdl.handle.net/1969.1/3324.

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The dramatic improvement in magnetic resonance imaging (MRI) scan time over the past fifteen years through gradient-based methods that sample k-space more efficiently and quickly cannot be sustained, as thresholds regarding hardware and safety limitations are already being approached. Parallel imaging methods (using multiple receiver coils to partially encode k-space) have offered some relief in the efforts and are rapidly becoming the focus of current endeavors to decrease scan time. Ideally, for some applications, phase encoding would be eliminated completely, replaced with array coil encod

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25

Brown, David Gerald. "Instrumentation for parallel magnetic resonance imaging." Texas A&M University, 2005. http://hdl.handle.net/1969.1/4784.

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Parallel magnetic resonance (MR) imaging may be used to increase either the throughput or the speed of the MR imaging experiment. As such, parallel imaging may be accomplished either through a "parallelization" of the MR experiment, or by the use of arrays of sensors. In parallelization, multiple MR scanners (or multiple sensors) are used to collect images from different samples simultaneously. This allows for an increase in the throughput, not the inherent speed, of the MR experiment. Parallel imaging with arrays of sensor coils, on the other hand, makes use of the spatial localization proper

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26

Tymofiyeva, Olga. "Magnetic resonance imaging in dental medicine." Göttingen Sierke, 2010. http://d-nb.info/1002094976/04.

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27

Kristoffersen, Wiberg Maria. "Magnetic resonance imaging in breast diagnosis /." Stockholm : Karolinska Univ. Press, 2002. http://diss.kib.ki.se/2002/91-7349-343-0.

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28

Blomqvist, Lennart. "Magnetic resonance imaging of rectal tumours /." Stockholm, 1997. http://diss.kib.ki.se/1997/91-628-2797-9.

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29

Graff, Christian George. "Parameter Estimation in Magnetic Resonance Imaging." Diss., The University of Arizona, 2009. http://hdl.handle.net/10150/195912.

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This work concerns practical quantitative magnetic resonance (MR) imaging techniques and their implementation and use in clinical MR systems. First, background information on MR imaging is given, including the physics of the magnetic resonance, relaxation effects and how imaging is accomplished.Subsequently, the first part of this work describes the estimation of the T2 relaxation parameter from fast spin-echo (FSE) data. Various complications are considered, including partial volume and data from multiple receiver coils along with the effects of the timing parameters on the accuracy of T2 e

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30

Li, Zhiqiang. "Novel Body Magnetic Resonance Imaging Techniques." Diss., The University of Arizona, 2006. http://hdl.handle.net/10150/193829.

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Body magnetic resonance imaging (MRI) has progressed rapidly over the last 12 years. The advances in hardware and software have allowed the implementation of faster and better pulse sequences for body imaging. Despite the improvements in MRI technology there are still problems associated with current body MRI techniques that limit their diagnostic capabilities. The main goal of this work is to develop novel body MRI methods to improve the diagnosis of cardiac and abdominal pathologies. One of the goals of this work is to develop a technique to improve the detection of lipid infiltration in th

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31

Placidi, Elisa. "Magnetic resonance imaging of colonic function." Thesis, University of Nottingham, 2011. http://eprints.nottingham.ac.uk/13886/.

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The overall aim of this work was to develop MRI methods and techniques to study the physiology and the pathology of the gastrointestinal tract, with particular attention to the colon. Besides, the development of new methods was aimed in order to perform quantitative analysis using proton and fluorine MRI. In particular the first experimental chapter describes the development and the optimisation of imaging protocols for studying colonic function in undisturbed physiologically relevant conditions. In addition a texture analysis method based on Gabor filters is developed and used for the objecti

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32

Noterdaeme, Olivier. "Magnetic Resonance Imaging of the Liver." Thesis, University of Oxford, 2008. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.490296.

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In this thesis, we develop image analysis techniques, applied and tested in a clinical environment, to support the management of patients with (metastatic) liver cancer The incidence of this cancer is rising and represents approximately 10% of cancer cases in men and women. Image analysis of the liver is difficult, in part because it is the only organ mixing arterial and (portal) venous blood, and in part because of the large excursion it is undergoing during respiration.

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33

Herreros, Quentin. "Very low field magnetic resonance imaging." Phd thesis, Université René Descartes - Paris V, 2013. http://tel.archives-ouvertes.fr/tel-01064053.

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The aim of this thesis is to perform Magnetic Resonance Imaging at very low field (from 1 mT to 10 mT). A new kind of sensor called "mixed sensor" has been used to achieve a good detectivity at low frequencies. Combining a superconducting loop and a giant magnetoresistance, those detectors have a competitive equivalent field noise compared to existing devices (Tuned coils, SQUIDs and Atomic Magnetometers). They have been combined with flux transformers to increase the coupling between the sample and the sensor. A complete study has been performed to adapt it to mixed sensors and then maximize

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34

Häberle, Thomas [Verfasser]. "Nanoscale Magnetic Resonance Imaging / Thomas Häberle." München : Verlag Dr. Hut, 2017. http://d-nb.info/1128467259/34.

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35

Magill, Arthur W. "Ultra-high frequency magnetic resonance imaging." Thesis, University of Nottingham, 2007. http://eprints.nottingham.ac.uk/10740/.

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This thesis addresses the problem of radiofrequency probe design for Ultra High Frequency Magnetic Resonance Imaging (7T). The signal-to-noise ratio available in Magnetic Resonance Imaging (MRI) is determined by the static magnetic field strength, causing a continued drive toward higher fields to enable faster image acquisition at finer spatial resolution. The resonant frequency increases linearly with static field strength. At 7T the proton resonant frequency is 300MHz, with a wavelength of approximately 13cm in tissue. As this is smaller than the dimensions of the human head, the phase of th

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36

Gibson, Andrew Mark. "High speed functional magnetic resonance imaging." Thesis, University of Nottingham, 2002. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.252032.

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37

Munasinghe, B. D. Jeeva P. "Nuclear magnetic resonance imaging of mice." Thesis, University of Cambridge, 1994. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.337912.

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38

Potters, Kimberlee. "Magnetic Resonance Imaging of columnar reactors." Thesis, University of Cambridge, 1994. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.336775.

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39

Lohamn, Martina. "Magnetic resonance imaging in orthopedic trauma." Helsinki : University of Helsinki, 2001. http://ethesis.helsinki.fi/julkaisut/laa/kliin/vk/lohman/.

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40

Park, Daniel Joseph. "B1 Mapping for Magnetic Resonance Imaging." BYU ScholarsArchive, 2014. https://scholarsarchive.byu.edu/etd/5750.

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Magnetic Resonance Imaging (MRI) is a non-ionizing form of medical imaging which has practical uses in diagnosing, characterizing, and studying diseases in vivo. Current clinical practice utilizes a highly trained radiologist to view MR images and qualitatively diagnose, characterize, or study a disease. There is no easy way to compare qualitative data. That is why developing quantitative measures in MRI show promise. Quantitative measures of disease can be compared across a population, MRI sites, and over time. Osteoarthritis is one disease where those who have it may benefit from the de

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41

Rose, Heather E. L. "Magnetic resonance imaging of flow instabilities." Thesis, University of Birmingham, 2013. http://etheses.bham.ac.uk//id/eprint/4417/.

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This research project investigated the formation of flow instabilities and probed this formation using Magnetic resonance imaging. The coupling of hydrodynamic instabilities was investigated with regards to four different systems. The formation of 3-dimensional viscous fingers has been investigated in a packed bed using magnetic resonance imaging. Fingering patterns are produced as a result of two different chemically reactive interfaces and one non-reactive interface. By the formation of a highly viscous wormlike micelle solution formed at the interface between solutions of cetyltrimethylammo

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42

Cooley, Clarissa Zimmerman. "Portable low-cost magnetic resonance imaging." Thesis, Massachusetts Institute of Technology, 2014. http://hdl.handle.net/1721.1/93060.

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Thesis: Ph. D., Massachusetts Institute of Technology, Department of Electrical Engineering and Computer Science, 2014.<br>Cataloged from PDF version of thesis.<br>Includes bibliographical references (pages 143-153).<br>Purpose: As the premiere modality for brain imaging, MRI could find wider applicability if lightweight, portable systems were available for siting in unconventional locations such as intensive care units (ICUs), physician offices, surgical suites, ambulances, emergency rooms, sports facilities, or rural healthcare sites. Methods: A truly portable (<100kg) proof-of-concept MRI s

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43

Cheng, Joseph Yitan. "Gradient characterization in magnetic resonance imaging." Thesis, Massachusetts Institute of Technology, 2007. http://hdl.handle.net/1721.1/41257.

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Thesis (M. Eng.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 2007.<br>Includes bibliographical references (p. 53).<br>Special magnetic resonance (MR) scans, such as spiral imaging and echo-planar imaging, require speed and gradient accuracy while putting high demands on the MR gradient system that may cause gradient distortion. Additionally, high field MR scans are prone to inhomogeneities that disturb the gradient system. Regardless of the source, gradient characterization provides a simple tool for distortion correction. An improved method, n

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44

Graves, Martin John. "Developments in fluoroscopic magnetic resonance imaging." Thesis, University of Cambridge, 2009. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.611775.

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45

Robson, Philip Martyn. "Magnetic resonance imaging of filter function." Thesis, University of Cambridge, 2006. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.613956.

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46

Boucneau, Tanguy. "Magnetic resonance imaging of respiratory mechanics." Thesis, Université Paris-Saclay (ComUE), 2019. http://www.theses.fr/2019SACLS165.

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La fonction respiratoire chez l'homme est indissociable du mouvement de déformation du poumon : les échanges gazeux entre l'organisme et son environnement sont rendus possibles, lors de l'inspiration, par le gonflement des alvéoles du parenchyme pulmonaire, et lors de l'expiration, par un retour passif à l'état d'équilibre statique du poumon. Les propriétés viscoélastiques des tissus pulmonaires jouent un rôle clé dans la fonction même de cet organe. Ces éléments de la mécanique respiratoire pourraient être des biomarqueurs très sensibles de l'état physiopathologique du poumon puisqu'ils dépen

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47

Bookwalter, Candice Anne. "CONTINUOUS SAMPLING IN MAGNETIC RESONANCE IMAGING." Case Western Reserve University School of Graduate Studies / OhioLINK, 2008. http://rave.ohiolink.edu/etdc/view?acc_num=case1194049081.

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48

Williams, Catherine F. M. "Diffusion-weighted magnetic resonance imaging techniques." Thesis, University of Aberdeen, 1998. http://digitool.abdn.ac.uk/R?func=search-advanced-go&find_code1=WSN&request1=AAIU602003.

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The aim of this project was to compare and evaluate other, non-EPI, diffusion-weighted MRI (DWI) sequences, through imaging experiments, on a phantom and in vivo, (using a 0.95 T system) and computer simulations, and to develop improved DWI methodology which could be implemented on standard hardware. Pulsed gradient spin echo (PGSE) and diffusion-weighted STEAM are slow multiple shot sequences, with measurement times of several minutes. Both sequences are highly sensitive to patient motion, but motion artifact was virtually eliminated using navigator echo phase correction and EGG triggering wh

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49

Hill, Richard J. "Developments in quantitative magnetic resonance imaging." Thesis, University of Surrey, 1999. http://epubs.surrey.ac.uk/843527/.

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Two magnetic resonance imaging studies based on relaxometry are presented. Firstly, various methods of measuring T1, T2, and flip angle are reviewed, along with various applications of relaxometry. After a study of the relevant background and theory, a method of measuring T1, T2, and the flip angle simultaneously using echo planar imaging is described, followed by a study of diffusion in a biological system employing T2 measurements. A series of echo planar images acquired with a repetition time that is short compared with the relaxation times T1 and T2 shows fluctuations in image intensity, w

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50

Richards, Jennifer Margaret Jane. "Magnetic resonance imaging in cardiovascular disease." Thesis, University of Edinburgh, 2013. http://hdl.handle.net/1842/8079.

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Background Superparamagnetic particles of iron oxide (SPIO) are part of a novel and exciting class of ‘smart’ magnetic resonance imaging (MRI) contrast agents that are taken up by inflammatory cells. Ultrasmall SPIO (USPIO; ~30 nm diameter) can be used to assess cellular tissue inflammation and SPIO (80-150 nm) have the potential to be used to label cells ex vivo for in vivo cell tracking studies. Objectives The aims of the thesis were therefore (i) to develop and validate quantitative MRI methodology for assessing SPIO uptake within tissues, (ii) to demonstrate USPIO accumulation within the a

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