Search for dissertations about: "Phantom study."

Showing result 1 - 5 of 70 swedish dissertations containing the words Phantom study..

  1. 1. Gadodiamide injection for Enhancement of MRI in the CNS. Applications, dose, field and time dependence

    University dissertation from Department of Radiology, Lund University

    Author : Per Åkeson; Lund University.; Lunds universitet.; [1996]
    Keywords : MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; Clinical physics; Phantom study.; Comparative study; Human; Time dependence; Dosage; Enhancement; Gadolinium; MRI contrast media; Contrast media; Magnetic resonance imaging; Spine; Brain neoplasms; secondary; Brain; radiology; tomography; medical instrumentation; Klinisk fysiologi; radiologi; tomografi; medicinsk instrumentering;

    Abstract : Aims of the study The aims of this study using Gadodiamide injection were to investigate: · Whether Gadodiamide injection was comparable to Gd-DTPA for the enhancement of CNS lesions. · The contrast effect at different field strengths. · The effective time-window for the enhancement of blood-brain barrier damage. READ MORE

  2. 2. Phantom of the Neighbourhood : Longitudinal Studies on Area-based Conditions and Individual Outcomes

    University dissertation from Swedish Institute for Social Research

    Author : Lars Brännström; Stockholms universitet.; Stockholms universitet.; [2006]
    Keywords : SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Neighbourhood effects; Contextual effects; Residential segregation; Sweden; SOCIAL SCIENCES Social sciences Sociology; SAMHÄLLSVETENSKAP Socialvetenskap Sociologi;

    Abstract : This dissertation consists of three self-contained but interrelated empirical studies focusing on theoretical, empirical and political questions in the multidisciplinary field of neighbourhood effect research. Along with a comprehensive introductory essay, each study addresses questions concerning the potential influence of neighbourhood characteristics on individual social and economic outcomes at different life stages. READ MORE

  3. 3. Amputees' experience and descriptions of phantom phenomena : a qualitative study

    University dissertation from Stockholm : Karolinska Institutet, Dept of Physiology and Pharmacology

    Author : Berit Björkman; Karolinska Institutet.; Karolinska Institutet.; [2012]

    Abstract : In phantom phenomena, pain and/ or other sensations appear to be experienced from amputated body parts. The phenomena have long been the object of research and their underlying mechanisms have been discussed over the years. READ MORE

  4. 4. Ultrasonic Methods for Quantitative Carotid Plaque Characterization

    University dissertation from Stockholm : KTH Royal Institute of Technology

    Author : Erik Widman; KTH.; Karolinska Institutet.; Karolinska Institutet.; [2016]
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; Medicinsk teknologi; Medical Technology; Atherosclerosis; Cardiovascular Disease; Carotid Artery; Elasticity; ex vivo; in vivo; Phantom; Plaque; Polyvinyl Alcohol; Pulse Wave Imaging; Shear Wave Elastography; Speckle Tracking; Stroke; Ultrasound;

    Abstract : Cardiovascular diseases are the leading causes of death worldwide and improved diagnostic methods are needed for early intervention and to select the most suitable treatment for patients. Currently, carotid artery plaque vulnerability is typically determined by visually assessing ultrasound B-mode images, which is influenced by user-subjectivity. READ MORE

  5. 5. Toward increased applicability of ultrasound contrast agents

    University dissertation from Stockholm : KTH Royal Institute of Technology

    Author : Malin Larsson; KTH.; [2015]
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Contrast agent; Contrast-to-tissue-ratio; Echocardiography; Endocardial border; Microbubbles; Multimodal; Phantom; Polymer; Ultrasound; Wall motion score index.; Teknik och hälsa; Technology and Health;

    Abstract : Ultrasound is one of the most widely used modalities in medical imaging because of its high cost-effectiveness, wide availability in hospitals, generation of real-time images, and use of nonionizing radiation. However, the image quality can be insufficient in some patients. READ MORE