Fig. 6From: FDG-PET/CT pitfalls in oncological head and neck imaginga Axial PET/CT image depicts bilateral symmetrical areas of avid FDG uptake in the supraclavicular regions (arrows). These may be confused for metastatic supraclavicular adenopathy. b Corresponding axial CECT image detects no focal abnormality in the supraclavicular regions (arrows). Note that the areas of high uptake seen in a correspond to low attenuation fatty tissue (arrows) in bBack to article page