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Western University

Medical Biophysics

4-dimensional computed tomography (4D-CT)

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Anatomical And Functional Lung Imaging With Volumetric Computed Tomography In Non-Small Cell Lung Cancer, Heather Young Aug 2022

Anatomical And Functional Lung Imaging With Volumetric Computed Tomography In Non-Small Cell Lung Cancer, Heather Young

Electronic Thesis and Dissertation Repository

Non-small cell lung cancer (NSCLC) is one of the most diagnosed cancers in Canada, and the leading cause of cancer deaths. A significant challenge in treating NSCLC is balancing aggressive treatment with the potentially severe side effects. In radiation therapy, the management of respiratory motion and the risks of radiation-induced lung injury (RILI) pose significant challenges. 4-dimensional computed tomography (4D-CT) is an important part of motion management, but images often suffer from motion-induced artifacts. Volumetric CT scanners with wide axial field-of-view (aFOV) may reduce these artifacts and present an opportunity to advance CT-based functional lung imaging.

Chapter 2 presents a …