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Computed tomography angiography (A), 11C-PK11195 PET (B), and PET/CT fusion (C) in a 52-year-old patient with right amaurosis fugax 2 weeks prior to the scans. The white arrows denote a focal area of 11C-PK11195 uptake in the carotid bifurcation (Gaemperl, 2011 40).
