title: Fistula between a posterior communicating artery aneurysm and the cavernous sinus.
abstract: We report the angiographic appearance of a posterior communicating artery aneurysm with a fistula to the cavernous sinus, which had been misinterpreted as a direct carotid-cavernous fistula, on which endovascular repair was unsuccessfully attempted.
authors.affiliation: Department of Radiological Sciences, University of Oklahoma Health Sciences Center, Oklahoma City 73190-3020, USA.
authors.forename: T L
authors.initials: TL
authors.lastname: Tytle
authors.forename: C L
authors.initials: CL
authors.lastname: Loeffler
authors.forename: T A
authors.initials: TA
authors.lastname: Steinberg
mesh_terms: D001164:Arteriovenous Fistula / Q000000981:diagnostic imaging*; D002340:Carotid Artery Diseases / Q000000981:diagnostic imaging; D002426:Cavernous Sinus / Q000000981:diagnostic imaging*; D002533:Cerebral Angiography; D002536:Cerebral Arteries / Q000000981:diagnostic imaging*; D003937:Diagnosis, Differential; D005260:Female; D006801:Humans; D002532:Intracranial Aneurysm / Q000000981:diagnostic imaging*; D008875:Middle Aged