The question mark sign of large vessel vasculitis on 18F-FDG PET/CT

Teoh, E. J. and Bradley, K. M. ORCID: https://orcid.org/0000-0003-1911-3382 2017. The question mark sign of large vessel vasculitis on 18F-FDG PET/CT. QJM: An International Journal of Medicine 110 (10) , p. 677. 10.1093/qjmed/hcx119

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Abstract

A 77-year-old woman with a non-specific history of malaise and raised inflammatory markers was referred to gastroenterology. There were no specific findings on history or physical examination but a markedly elevated C-reactive protein (CRP) of 140 mg/l was confirmed and the patient was referred for whole body 18F-FDG PET/CT. This demonstrated significantly increased FDG uptake in the aortic wall (Figure 1A, sagittal PET, SUVmax = 6.7) which extended into the carotid, brachiocephalic, axillary (Figure 1B, coronal fused PET/CT), iliac and femoral arteries but spared the abdominal branches. The pattern of FDG uptake produced a striking question mark appearance of the aorta on sagittal images.

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Medicine
Publisher:	Oxford University Press
ISSN:	1460-2725
Last Modified:	07 Nov 2022 10:21
URI:	https://orca.cardiff.ac.uk/id/eprint/132001

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