Faculty Advisor(s)

Elaine Halesey



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This project explains different computed tomography (CT) applications that aid in the detection of pulmonary emboli. Pulmonary emboli are blood-clots that form elsewhere in the body and travel to the heart and lungs, increasing the risk of blocked arteries. CT has become the primary tool in detecting pulmonary emboli and offers different applications to which iodine map technology can be applied. These applications include multidetector computed tomography (MDCT), dual-energy computed tomography angiography (DECTA), and subtraction CT. Iodine maps detect irregular blood flow induced by pulmonary emboli. Comparisons between iodine maps derived from the different CT applications are discussed. Iodine concentration measurements are also discussed to describe differences in blood flow within normal, partially occluded, and completely occluded parenchyma. Potential problems with iodine maps are also included to demonstrate how the benefit must outweigh the risk when utilizing the iodine maps. The incidence and mortality rate of pulmonary emboli are increasing, which emphasizes the urgency for detection and treatment. With the use of iodine maps, pulmonary emboli may be accurately diagnosed more often and lead to a decrease in mortality rates.

Publication Date


Document Type



Medical Imaging


pulmonary embolism, multidetector computed tomography, dual-energy computed tomography angiography, subtraction computed tomography, iodine map


Medicine and Health Sciences

Mapping Pulmonary Emboli with Varying Computed Tomography (CT) Applications