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Arterial lesions in a 37-year-old woman with Takayasu arteritis

(A) MR angiography of the aorta and supra-aortic trunks depicted a critical arterial stenosis in the right subclavian humeral artery (orange dashed arrow), a distal stenotic segment in the right internal carotid artery (orange arrow), and an occluded lesion of the left vertebral artery (red arrow). The yellow dashed line indicates the location of the 1B and 1C axial sections. (B) MR imaging detected vessel wall thickening (up to 3 cm) of all supra-aortic vessels (arrows). (C) PET-CT showed intense FDG uptake of the supra-aortic trunks (arrows). (Contributed by Dr. Jose Hernandez-Rodriguez.)

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