PMC7097414_01
Positron emission tomography (upper panel), computed tomography (middle panel) and fusion image (lower panel) of a patient affected by severe influenza A. The uptake of [18F]FDG is abnormally high, not only in the areas characterized by a loss of aeration on the CT scan (black arrow), but also in the areas with preserved aeration (white arrows)
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PMC7097414_01_134_2010_1756_Fig1_HTML.jpg
Fig1
As shown by Fig. 1, the PET scan disclosed an abnormally high uptake of [18F]FDG, which, in the course of lung inflammatory processes, has been shown to indicate the presence of activated neutrophils.