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Assessing Inflammation In The Pathology Of Knee Osteoarthritis, Zachary J. Koudys
Assessing Inflammation In The Pathology Of Knee Osteoarthritis, Zachary J. Koudys
Electronic Thesis and Dissertation Repository
Osteoarthritis (OA) is a joint disease that causes pain, stiffness, and loss of function. Inflammation of the synovium plays a role in the pathology of OA. Macrophages are the dominant immune cells in synovial tissue. Activated macrophages over-express the translocator protein (TSPO). [18F]FEPPA is a 2nd generation positron emission tomography (PET) tracer that can target TSPO with high specificity. Hybrid [18F]FEPPA PET/MRI may enable accurate quantification of macrophage activity in vivo. In this work, [18F]FEPPA tracer uptake in knee synovial tissue was measured ex vivo using autoradiography and was validated to correlate to …