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  • Title: Ultrasonographic and FDG-PET imaging in active giant cell arteritis of the carotid arteries.
    Author: Pfadenhauer K, Rüll T.
    Journal: Vasa; 2005 Nov; 34(4):269-71. PubMed ID: 16363284.
    Abstract:
    Inflammation of the arterial wall has been demonstrated by 18 Fluoro-Deoxyglucose PET imaging in patients with Takayasu's and temporal arteritis. We used ultrasonography and FDG-PET for structural and metabolic imaging of the carotid artery to diagnose giant cell arteritis without biopsy. In a 72 years old patient with isolated clinical and paraclinical signs of severe systemic inflammation ultrasonogaphy showed concentric hypoechogenic mural thickening of the carotidarteries and high FDG uptake in the left carotid, both axillary and subclavian arteries and the aorta. Clinical and paraclinical abnormalities showed a typical response to steroid treatment. In conclusion a combined approach using ultrasound and FDG-PET seems to be helpful in the diagnosis of GCA of large arteries particularly in patients with atypical manifestations of the disease and negative or unavailable biopsy of the temporal artery.
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