Peer-reviewed veterinary case report
Diagnosis of arterioportal fistulae in four dogs using computed tomographic angiography.
- Journal:
- Veterinary radiology & ultrasound : the official journal of the American College of Veterinary Radiology and the International Veterinary Radiology Association
- Year:
- 2005
- Authors:
- Zwingenberger, A L et al.
- Affiliation:
- Department of Clinical Studies-Philadelphia · United States
- Species:
- dog
Abstract
Arterioportal fistulae are rare congenital anomalies of the hepatic vasculature. Diagnosis is conventionally made by selective angiography or ultrasonography. This report describes use of a dual-phase computed tomographic (CT) angiographic technique to diagnose arterioportal fistulae in four dogs. Advantages of this method include a noninvasive peripheral injection of contrast medium, ability to diagnose multiple acquired extrahepatic shunts, and observation of hemodynamic changes such as hepatofugal blood flow and reduced circulation to the caudal abdomen. The hepatic vasculature including arteries, veins, and portal veins can be completely evaluated. Dual-phase CT angiography is a safe and minimally invasive method of diagnosing arterioportal fistulae in dogs.
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Search related cases →Original publication: https://pubmed.ncbi.nlm.nih.gov/16396262/