Publications and Research

Document Type

Poster

Publication Date

12-1-2022

Abstract

This work is a review and assessment of research literature on Alzheimer’s disease (AD) today which is an irreversible neurological disorder, that continuously decreases the individual’s memory and thinking skills and, suddenly, the ability to carry out the simplest functions of daily living. Although treatment can only help manage the symptoms of AD, there is no cure for the disease. CT imaging is proven to be somewhat helpful in the detection of AD disease similar to MRI, multiple repeat CT seems to show promise in part-reversing the loss (radiation Hormesis). Invivo exposure, spatial distribution, and quantitative characterization could be essential markers in diagnosing and assessing AD progression. Phase-Contrast X-ray microcomputed tomography (micro CT) is an emerging highly sensitive imaging technique capable of high resolution and impressive soft tissue discrimination. FDG and Pittsburgh compound B PET are functional tools to map affected brain with AD. There is a potential to extend it to imaging precise 3D information about the inner structures of the entire brain in future using clinical CT machines but with phase contrast software without requiring thin sections. However, we feel clinical scanners with phase contrast modes will not provide the plaque imaging exactly for 50 μm for individual plaques but plaque tangles and high tissue contrast resolution for hippocampus structures as in highfield MRI may be possible by phase contrast CT.

Comments

This poster was presented at the 37th Semi-Annual Dr. Janet Liou-Mark Honors & Undergraduate Research Poster Presentation, Dec. 1, 2022. Mentor: Prof. Subhendra Sakar (Radiologic Technology).

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