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4D-CTA demonstrating a Borden type I dural arteriovenous fistula of the left sigmoid sinus. 4D-CTA demonstrating a Borden type I dural arteriovenous fistula.

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Presentation on theme: "4D-CTA demonstrating a Borden type I dural arteriovenous fistula of the left sigmoid sinus. 4D-CTA demonstrating a Borden type I dural arteriovenous fistula."— Presentation transcript:

1 4D-CTA demonstrating a Borden type I dural arteriovenous fistula of the left sigmoid sinus.
4D-CTA demonstrating a Borden type I dural arteriovenous fistula of the left sigmoid sinus. Selected 4D-CTA subtraction MIP images of a continuous 4D-CTA volume acquisition (320–detector row CT) in lateral (A) and oblique (B) projections in a patient presenting with left-sided tinnitus. Branches of the occipital artery are identified as arterial feeders of the dAVF. There is normal antegrade venous return. The 3D image (C) demonstrates the advantage of 4D-CTA to study vessels in relation to surrounding structures. H.G.J. Kortman et al. AJNR Am J Neuroradiol 2015;36: ©2015 by American Society of Neuroradiology

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