Aim: The cause of all carotid artery diseases is directly related to the morphological structure and hemodynamic properties of the carotid artery and its branches. Our aim of research is to find answers to the following two questions. 1-Compared to normal patients, how can hemodynamic and rheological changes occur in the carotid arteries and its branches of the patients with stenotic, aneursymatic and dissection? 2-And how do these changes differ according to diseases? Materials and methods: In our research, Computed Tomography Angiography images of carotid artery were analyzed using Sectra and AW Server 2 3D volume rendering and vessel analysis programs. Results: Patients with extra cranial and intra cranial aneurysms were found to have lower shear stresses, slower blood flow rates, but on the contrary, having higher blood pressure and higher Reynolds numbers that affect the artery walls. On the other hand, higher shear stresses, higher blood flow velocities, lower Reynolds numbers and lower wall tension values were found in patients with dissection. Conclusion: It has been concluded that the presence of aneurysm and dissection may play an important role in vascular shaping, or vice versa.
Imaging in Medicine Journal deals fundamental and translational research and applications focused on medical imaging, which seeks to reveal internal structures hidden by the skin and bones and also yields physical and biomedical advancements in the early detection, diagnostics, and therapy of disease. It includes image formation, image processing, image analysis, image interpretation and understanding, CT scan, PET, Ultrasound, X-Ray. Computer graphics and visualization and inverse problems in imaging: leading to applications to diverse areas in science, medicine, engineering and other fields. An MRI, or magnetic resonance imaging, is a painless way that medical professionals can look inside the body to see your organs and other body tissues. Medical imaging refers to several different technologies that are used to view the human body in order to diagnose, monitor, or treat medical conditions.
Imaging is one of the most important tools for orthodontists to evaluate and record size and form of craniofacial structures. Orthodontists routinely use Two-dimensional (2D) static imaging techniques, but deepness of structures cannot be obtained and localized with 2D imaging. Three-dimensional (3D) imaging has been developed in the early of 1990's and has gained a precious place in dentistry, especially in orthodontics. The aims of this literature review are to summarize the current state of the 3D imaging techniques and to evaluate the applications in orthodontics.
