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Figure 2 Representative Coronal Images of FDG-PET in the Carotid Arteries of a Normal Subject and a Patient With the Metabolic Syndrome

Red arrows indicate vascular [¹⁸F]-fluorodeoxyglucose (FDG) uptake within the carotid arteries in a patient with the metabolic syndrome (right, A). Representative transaxial images of FDG positron emission tomography (PET), contrast enhanced computed tomography (CT), and the co-registration of PET and CT (PET/CT), showing FDG uptake within the carotid artery in the patient with metabolic syndrome (B). Black arrow-arrowhead denotes vessel wall or atherosclerotic plaque. Red arrow-arrowhead indicates FDG vascular uptake.