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Figure 6 Combined PET and MRI Detection of Plaque Inflammation
Transaxial cervical images obtained with high-resolution magnetic resonance imaging (HRMRI), 18fluorodeoxyglucose (FDG) positron emission tomography (PET), and fused images (FUSED) in a patient with transient right visual disturbance. (Row A) The magnetic resonance imaging (MRI) shows a large stenotic plaque in the right internal carotid artery (green arrow), which only shows mild radiotracer uptake on the FDG-PET and fused images (blue and red arrows). (Row B) At a different position, MRI shows the vertebral arteries (yellow arrows), whereas the FDG-PET and fused images show a highly inflamed right vertebral artery plaque (white and black arrows) that could be the cause of the patient’s symptoms. Reproduced with permission from Davies et al. (48).
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