Improving the Imaging of Small High-Density Structures in Computed Tomography

摘要: textabstractComputed Tomography (CT) imaging of small high-density structures such as calcifications and stents is highly relevant in diagnosis, treatment planning, follow-up of patients with cardiovascular disease. Calcification quantification increasingly used as a potential marker for However, owing to image blur, accurate calcification compromised. In addition, blur high intensity structures hampers the visualization surrounding soft tissue structures. This example affects the assessment degree vessel stenoses at locations close calcified atherosclerotic plaques and/or stent struts. The research described this thesis focuses on improved density structures, in particular calcifications.