PMC4995848_01
A 69-year-old male developed low-grade fevers and leukocytosis, after ascending aortic aneurysm repair with aortic valve replacement. (a) Fluorodeoxyglucose-positron emission tomography/computed tomography maximum intensity projection image shows no signs of infection around the aorta but increased metabolic activity around the gallbladder (arrow). (b) Axial view computed tomography image shows a distended gallbladder with mild pericholecystic fat stranding (arrow). (c) Fluorodeoxyglucose positron emission tomography image and (d) hybrid fluorodeoxyglucose-positron emission tomography/computed tomography, axial views, show increased tracer uptake in the wall of the gallbladder, with no uptake in the lumen (arrows).
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F1
There was an incidental finding of intensely increased FDG activity within the distended GB wall, with associated mild pericholecystic fat stranding and stones in the GB neck [Figure 1].