American Journal of Neuroradiology 26:2393-2396, October 2005
© 2005 American Society of Neuroradiology
Case Report
HEAD AND NECK
CT-Demonstrated Transcalvarial Channels Diagnostic of Dural Arteriovenous Fistula
a Department of Radiology, The Alfred Hospital, Prahran, Victoria, Australia
b Department of Radiology, Princess Alexandra Hospital, Woolloongabba, Queensland, Australia
Address correspondence to Stephen Stuckey, MD, Department of Radiology, Princess Alexandra Hospital, 199 Ipswich Road, Woolloongabba 4102, Queensland, Australia
Summary: MR imagingevident intraosseous channels associated with the presence of a dural arteriovenous fistula have been described in the literature. We describe these channels in relation to a case of dural arteriovenous fistula seen on CT. The presence of this subtle sign should be sought, and the area reviewed in all CT evaluations of patients with pulsatile tinnitus.
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