FDG-PET or PET/CT in Fever of Unknown Origin: The Diagnostic Role of Underlying Primary Disease

<table>A 54-year-old woman with FUO underwent PET-CT for the diagnosis of underlying disease. Transaxial slices of CT (a1, b1), fusion (a2, b2), and PET (a3, b3) and anterior MIP image (c) showed accumulation of FDG in the wall of thoracic aorta and the supra-aortal branches. Gigantocellular arteritis was confirmed subsequently by temporal arterial biopsy.</table>

International Journal of Molecular Imaging

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Figure 1: FDG-PET or PET/CT in Fever of Unknown Origin: The Diagnostic Role of Underlying Primary Disease 