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Basilar Dependence on a Persistent Hypoglossal Artery Visualized at CT Angiography. A Case Report
1U.O.C. Neuroradiology Unit, Parma Hospital; Parma, Italy - annasumma@hotmail.com.
The Neuroradiology Journal
|October 24, 2013
Summary
The persistent hypoglossal artery, a rare embryonic vessel, can be a significant finding in brain imaging. This case highlights its role in basilar artery circulation, emphasizing clinical relevance beyond an incidental discovery.
Area of Science:
- Neuroanatomy
- Vascular Neurology
- Embryology
Background:
- The persistent hypoglossal artery is a rare remnant of an embryonic artery.
- It connects the anterior and posterior cerebral circulations.
- Typically considered an incidental finding in neuroimaging.
Purpose of the Study:
- To describe a case of persistent hypoglossal artery.
- To illustrate its role in basilar artery dependence.
- To discuss the clinical implications of this anomalous vessel.
Main Methods:
- Case report.
- Computed tomography angiography (CTA) for visualization.
- Review of relevant literature.
Main Results:
- A patient presented with basilar artery dependence on a persistent hypoglossal artery.
- The anomalous vessel was clearly visualized via CT angiography.
- This finding suggests a significant role in the patient's cerebral circulation.
Conclusions:
- The persistent hypoglossal artery can be more than an incidental finding.
- It may play a crucial role in maintaining posterior circulation.
- Awareness of this anomaly is important for clinical assessment and management.
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