Fig. 1From: Takayasu arteritis: clinical importance of extra-vessel uptake on FDG PET/CT[F-18]FDG PET/CT scan of a 22-year-old woman diagnosed with Takayasu arteritis. [F-18]FDG uptake is present in the aortic arch (arrow). Note the diffuse [F-18]FDG uptake in thyroid glands, indicative of thyroiditis (arrowheads)Back to article page