File:Aortic arch graft infection (FDG PET-CT) (Radiopaedia 71975-82438 D 37).jpg

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Description	Radiopaedia case ID: 71975 Image ID: 51703097 Image stack position: 37/81 Plane projection: FDG PET-CT cardiac gated coronal Study description: Whole body FDG PET/CT with dedicated cardiac gated series Study findings: 1. Intense near-circumferential FDG uptake associated with the ascending aorta, particularly anteriorly corresponding to the periphery of the false lumen and extending to just proximal to the origin of brachiocephalic trunk is concerning for infection.2. Multiple mildly avid pulmonary opacities in bilateral lungs likely inflammatory in this context.3. Peripheral FDG uptake associated with both knees (including fluid in right suprapatellar bursa) suggestive of inflammatory etiology.4. Bilateral pleural effusions. Modality: Nuclear medicine System: Vascular Findings: Gross cardiomegaly associated with thoracic aortic dissection involving the distal ascending aorta extending into the arch and descending aorta with poor filling of the false lumen. Aortic arch branches are intact and there is no evidence of recent rupture into either the pericardium or pleural space. Features of gross cirrhosis and portal hypertension with enlargement of the IVC and hepatic veins suggestive of right heart failure. Bibasal lung atelectasis and probable interstitial edema.
Date	Published: 1st Nov 2019
Source	https://radiopaedia.org/cases/aortic-arch-graft-infection-fdg-pet-ct
Author	A A
Permission (Permission-reusing-text)	http://creativecommons.org/licenses/by-nc-sa/3.0/

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