Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 104 for “"CT scan"”.
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Is Unenhanced Abdominal CT Scan Necessary for the diagnosis of Acute Appendicitis in Children?
ABSTRACT ⅰ TABLE OF CONTENTS ⅱ LISTS OF TABLES ⅲ Ⅰ. INTRODUCTION 1 Ⅱ. MATERIALS AND METHODS 2 Ⅲ. RESULTS 3 Ⅳ. DISCUSSION 5 Ⅴ. CONCLUSION 8 REFERENCES 8 국문요약 11
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Investigating the ability to use the CT scan projection radiograph to monitor adolescent idiopathic scoliosis
Introduction: Adolescent idiopathic scoliosis (AIS) is a spinal deformity that causes the spine to bend laterally. Patients with AIS undergo frequent X-ray examinations to monitor the progression of the deformity through the measurement of the Cobb angle, increasing the risk of developing …
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A prospective study: Investigating the use of oncologist-read CT scans in the investigation of suspected malignant spinal cord compression
… condition requires a radiologist reported MRI scan to diagnose, which is a limited resource in many settings. There are no data comparing MRI with multi-detector CT scan, a more accessible resource, for the diagnosis of this condition. Objectives: To investigate whether CT scans assessed by …
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Computed tomography findings in patients with minor head trauma presenting with a history of loss of consciousness and/or amnesia, Glasgow Coma Scale 15 and no focal neurological deficit
… (LOC) and amnesia obtain a computed tomography (CT) scan, regardless of the cost that is incurred by the use of this limited resource. Applying recommendations in developing countries requires consideration of resource limitations and patient burden. Objective: Our objectives were twofold: 1. To …
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Variation in Computerized Tomography Scan Utilization
… world, yet it is not as efficient as it is expected. Studies have shown that the use of expensive imaging procedures, such as CT scans, was significantly increasing for the past few years. However, the increased number of CT scans may not help to improve quality of care. No studies are conducted …
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Sub-pixel Registration In Computational Imaging And Applications To Enhancement Of Maxillofacial Ct Data
… data acquired by sampling the same scene or object at different times or from different orientations result in images in different coordinate systems. Registration is a crucial step in order to be able to compare, integrate and fuse the data obtained from different measurements. Tomography is the …
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Sex and ancestry estimation using computed tomography: a comparison of the reliability of digital versus physical data collection
… the purpose of convenience, computed tomography (CT) scans are increasingly used in place of skulls in research and forensic casework. Researchers work under the assumption that the dry skull-to-CT scan ratio is one-to-one; however, research on the accuracy of CT scans is sparse. In this study, …
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Evaluating the yield of brain CT examinations in patients presenting with first onset seizures at the Groote Schuur Hospital, Cape Town
… Africa routinely request Computed Tomography (CT) brain scans in the work-up of patients presenting with first onset seizures. Objectives: To determine the number and proportion of CT scan examinations with abnormal findings in patients presenting with first onset seizures at the Groote Schuur …
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The prevalence of atrial fibrillation in patients with ischaemic stroke in a district hospital in the Western Cape
… diagnosed at the time of the stroke. Objectives This study sets out to determine the prevalence of atrial fibrillation in patients with ischaemic stroke, as confirmed on CT scan, at a district level hospital in the Western Cape, South Africa. Methods This descriptive study was conducted at …
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Epigenetic Traits, Computerized Tomography And Native American Identity
… affinity. Native American skeletal collections have been diminishing after the 1990 Native American Graves Protection and Repatriation Act (NAGPRA). Epigenetic traits have the potential to indicate population affinity in the event cultural affiliation cannot be determined. When Native …
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Comparative Analysis of Radiologically Measured Size and True Size of Renal Tumors
PURPOSE: We evaluated the effects of different tumor conditions on discrepancy between radiologically measured size and true size of renal tumors. MATERIALS AND METHODS: The data from 238 patients who underwent radical or partial nephrectomy for a renal tumor at our institution were reviewed. …
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The fate of proximally excluded iliac arteries following open repair of abdominal aortic aneurysms
… between April 2004 and April 2014 was collected. The aorta and iliac segments were measured in the 120 available preoperative Computed Tomographic (CT) angiograms. A single postoperative CT scan was performed and measurements recorded in 46 patients available for follow-up. The patients were …
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Impacts of Rock-Brine Interactions on Petrophysical Properties of a Sandstone Reservoir, Utilizing Geochemical and Pore Network Modeling
Unfavorable consequences of geochemical reactions, such as calcite and silica scaling, in geothermal power plant surface facilities have been discussed in many recent studies. However, the impact of brine-rock interactions related to geothermal projects on reservoir properties has not been …
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Fluid Flow Characterization and In Silico Validation in a Rapid Prototyped Abdominal Aortic Aneurysm Model
… 1400 lead to deaths. With proper detection, the aneurysm may be treated using endovascular aneurysm repair (EVAR). Understanding how the flow of the blood within the artery is affected by the aneurysm is important in determining the growth of the aneurysm, as well as how to properly …
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Quantification of rock fabric through multi-scale image data analysis for enhanced rock typing and formation evaluation
… of minerals, pores, and saturating fluids) affects the estimation of petrophysical, mechanical, and compositional properties of sedimentary geological formations. Quantification of rock fabric and its integration with rock classification and formation evaluation efforts are critical for reliable …
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Gerklų Stenozė /
… as treatment-resistant asthma. One of the objectives of the International Rare Diseases Research Consortium (IRDiRC) is that all patients with a suspected rare disease should be diagnosed within one year of the onset of their symptoms, if the disease is described in the medical literature. Aim …
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Möglichkeiten der Frühdiagnostik der Osteomyelitis durch Magnetresonanz-Tomographie - Experimentelle Untersuchungen am Kaninchen
… Correlation of MR-images and macroscopic sections demonstrates, that anatomical structures of rabbits can be excellently visualized by MRT. Clinically used MR-systems are able to provide satisfactory resolution. Following experimentally induced osteomyelitis infected bone marrow can be …
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Symptomatic developmental venous anomalies
… brain parenchyma. Controversy surrounds their exact clinical significance, as DVAs are rarely symptomatic. The symptoms displayed by a patient can be related to a lesion that is associated with DVAs, such as a cavernoma. To describe the patients presenting to a single unit over a 10-year period …
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