title: Computed tomography of primary aortocaval fistula.
abstract: Spontaneous aortocaval fistula is a rare but documented complication of arteriosclerotic abdominal aortic aneurysm. Most cases reported have presented clinically with a palpable aneurysm, abdominal bruit, and high output congestive heart failure. A diagnosis in such cases requires active demonstration of findings secondary to arteriovenous shunting, which can be optimized utilizing proper CT bolus technique and dynamic scanning. We describe several CT findings--all of which may be typical for and support the diagnosis of this potentially lethal complication of abdominal aortic aneurysm.
authors.affiliation: Department of Radiology, Memorial Hospital and Medical Center, Midland, TX.
authors.forename: S E
authors.initials: SE
authors.lastname: Sheward
authors.forename: R R
authors.initials: RR
authors.lastname: Spencer
authors.forename: T R
authors.initials: TR
authors.lastname: Hinton
authors.forename: C W
authors.initials: CW
authors.lastname: Hightower
authors.forename: P V
authors.initials: PV
authors.lastname: Patel
authors.forename: J G
authors.initials: JG
authors.lastname: Suckarieh
mesh_terms: D000368:Aged; D001012:Aorta, Abdominal / Q000000981:diagnostic imaging; D001014:Aortic Aneurysm / Q000000981:diagnostic imaging*; D001027:Aortography; D001164:Arteriovenous Fistula / Q000000981:diagnostic imaging*; D006801:Humans; D008297:Male; D008875:Middle Aged; D014057:Tomography, X-Ray Computed; D014682:Vena Cava, Inferior / Q000000981:diagnostic imaging*