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. 2022 Jan 5;8(1):e001977. doi: 10.1136/rmdopen-2021-001977

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© Author(s) (or their employer(s)) 2022. Re-use permitted under CC BY-NC. No commercial re-use. See rights and permissions. Published by BMJ.

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MRA of a 27-year-old female patient with TAK presenting with a stenosis of the proximal tract of the left subclavian artery (empty arrow) (A), with associated wall thickening in the same segment (arrows) (B). CTA and PET scan of a 53-year-old female patient with LV-GCA who had irregular vascular dilations affecting the innominate artery and the carotid arteries (C), which did not correspond to any 18F-FDG uptake at synchronous PET scan (D). CTA, CT angiography; FDG, fluorodeoxyglucose; LV-GCA, large vessel-giant cell arteritis; MRA, MR angiography; PET, positron emission tomography; TAK, Takayasu arteritis.