Presented by: Dr. Jesse Tanguay
Assistant Professor of Medical Physics
Physics, Okanagan, University of British Columbia
Medical x-ray imaging has revolutionized modern medicine, enabling improvements in the diagnosis and management of numerous medical conditions. However, x-ray imaging procedures are not without risk. For example, 50% of women screened by x-ray mammography annually for 10 years will experience a false positive, some of which lead to unnecessary biopsies that cause patient anxiety, discomfort, and pain. X-ray coronary angiography, which is used to plan and guide vascular interventions for coronary artery disease, requires high volumes of iodine-based contrast media. Fifteen percent of patients that undergo coronary angiography experience acute kidney injury because of these high iodine volumes. Quantitative x-ray computed tomography enables measuring the extent of smoking-related lung disease but requires high radiation doses, which elevates patients’ lifetime risks of cancer. The desire to reduce the risks of x-ray imaging procedures is driving the development of new x-ray imaging techniques and technologies. Dr. Tanguay will discuss his research on the development of new theoretical and experimental tools that enable identifying the next-generation x-ray imaging techniques/technologies that will improve x-ray image quality while reducing associated risks. Dr. Tanguay will discuss applications of x-ray imaging to the management of coronary artery disease, breast cancer, and respiratory disease.
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