Tumor 3′-Deoxy-3′-18F-Fluorothymidine (18F-FLT) Uptake by PET Correlates with Thymidine Kinase 1 Expression: Static and Kinetic Analysis of 18F-FLT PET Studies in Lung Tumors

1Division of Nuclear Medicine, Department of Radiology, University of Washington School of Medicine, Seattle, Washington; 2Department of Pathology, University of Washington School of Medicine, Seattle, Washington; 3Department of Epidemiology, School of Public Health and Community Medicine, University of Washington School of Medicine, Seattle, Washington; and 4Department of Radiation Oncology, University of Washington School of Medicine, Seattle, Washington