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Carotid-cavernous fistulas: diagnosis with spiral CT angiography
1Department of Neuroradiology and Interventional Radiology, Centre Hospitalo-Universitaire, Caen, France.
AJNR. American Journal of Neuroradiology
|April 27, 2000
Insights
CT angiography is a novel method for diagnosing carotid-cavernous fistulas. This study presents four cases where CT angiography accurately identified these vascular abnormalities, confirmed by digital subtraction angiography.
Area of Science:
- Neurology
- Radiology
- Vascular Surgery
Background:
- Carotid-cavernous fistulas (CCFs) are abnormal connections between the carotid artery and the cavernous sinus.
- Diagnosis of CCFs typically involves invasive imaging techniques.
Observation:
- This study illustrates four cases of CCFs diagnosed using computed tomography (CT) angiography.
- The diagnostic utility of CT angiography for CCFs was evaluated.
Findings:
- CT angiography successfully identified CCFs in all four presented cases.
- Digital subtraction angiography confirmed the diagnosis in every instance.
- This marks the initial report detailing the CT angiographic appearance of CCFs.
Implications:
- CT angiography offers a non-invasive and effective alternative for diagnosing CCFs.
- These findings may influence diagnostic protocols for CCFs.
- Further research into CT angiography for vascular anomalies is warranted.
Abstract:
Four cases in which the diagnosis of carotid-cavernous fistula was made by using CT angiography are illustrated. The diagnosis was confirmed by digital subtraction angiography in all four instances. To our knowledge, this is the first report of the CT angiographic appearance of carotid-cavernous fistulas.