Search for dissertations about: "Clinical physics"
Showing result 21 - 25 of 188 swedish dissertations containing the words Clinical physics.
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21. Double-contrast MRI for the staging of rectal carcinoma: Technical aspects and clinical experience
Abstract : Aim of the study Today´s methods for the staging of rectal carcinoma: ultrasonography with transrectal probe, CT, MRI or MRI with a rectal coil, all have limitations. The aim was therefore to develop a new, double-contrast MRI method for evaluation of rectal carcinoma. READ MORE
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22. Radiation Detection Techniques for the Enhancement of Nuclear Safety
Abstract : The hazard originating from the use of nuclear materials in various areas of the society necessitates a number of experimental techniques for controlling and increasing the safety connected to radioactive substances.The following thesis is divided into two parts, representing different aspects to the detection of radiation effects. READ MORE
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23. Artificial neural networks classify myocardial perfusion images
Abstract : In the studies of this thesis, a method for automated classification of myocardial perfusion images was successfully developed and evaluated. The results show that the method, based on artificial neural networks, was equally good, or even better than human experts. READ MORE
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24. Attenuation correction in pulmonary and myocardial single photon emission computed tomography
Abstract : The objective was to develop and validate methods for single photon emission computed tomography, SPECT, allowing quantitative physiological and diagnostic studies of lung and heart. A method for correction of variable attenuation in SPECT, based on transmission measurements before administration of an isotope to the subject, was developed and evaluated. READ MORE
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25. 99mTc-DMSA renal scintigraphy in the diagnosis and follow-up of acute pyelonephritis in children
Abstract : The aim of the present thesis was to define and evaluate a strategy for identification of children who are at risk of developing progressive renal lesions after acute pyelonephritis. Tc-DMSA renal scintigraphy is widely accepted as the most sensitive method for detecting parenchymal lesions and diagnosing acute pyelonephritis. READ MORE