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A 40-year-old man who presented with left-sided pulsatile tinnitus.

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Presentation on theme: "A 40-year-old man who presented with left-sided pulsatile tinnitus."— Presentation transcript:

1 A 40-year-old man who presented with left-sided pulsatile tinnitus.
A 40-year-old man who presented with left-sided pulsatile tinnitus. A, MR angiogram demonstrates asymmetric increased flow-related enhancement in the left sigmoid sinus (black arrows) and multiple small arterial flow voids within it. B, Lateral projection of DSA shows injection of the left occipital artery (arrowheads) opacifying the AVF (thin black arrow) and rapid opacification of the left sigmoid sinus and internal jugular vein (thick black arrows). S. Vattoth et al. AJNR Am J Neuroradiol 2010;31: ©2010 by American Society of Neuroradiology

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