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Open Access 01-07-2014 | Clinical Image
FDG-PET of Takayasu’s Arteritis
Published in: Journal of General Internal Medicine | Issue 7/2014
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A 71-year-old woman presented with low-grade fever, appetite loss, and weight loss of four months' duration. She had fainted one month earlier during cervical extension and rotation. Physical examination revealed an abdominal aortic bruit and at least a 10 mmHg difference in systolic blood pressure between her arms. Fluorodeoxy glucose-positron emission tomography (FDG-PET) images showed increased FDG uptake in the thoracic aorta, abdominal aorta, as well as the carotid and subclavian arterial branches (Figs. 1 and 2). Takayasu’s arteritis was diagnosed. All symptoms improved with prednisolone 30 mg/day.
Figure 1
FDG-PET image with arrows pointing toward abnormal uptake in the carotid and subclavian arteries, as well as the thoracic aorta.
Figure 2
FDG-PET image with an arrow pointing to abnormal uptake in the abdominal aorta.
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