Published: 9 September 2022
Author(s): Deborah Eshagh, Arthur Mageau, Thomas Papo, Khadija Benali, Karim Sacre
Section: Letter to the Editor

Giant cell arteritis (GCA) is a large vessel vasculitis that typically involves the extracranial branches of the aorta [1]. Steroids and anti-IL6 are highly effective in obtaining remission but the risk of relapses remains high, especially once treatments are withdrawn [2,3]. 18F-fluorodeoxyglucose-positron emission tomography (FDG/PET CT) is now recognized as a powerful tool for GCA diagnosis [4–6]. On the other hand, studies testing the ability of FDG/PET CT to predict the risk of relapse in GCA are scarce [7,8].


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