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[Persistent fetal carotid-vertebrobasilar anastomoses]
Ozgür Oktay1, Omer Kitiş, Ismail Oran
1Ege Universitesi Tip Fakültesi, Radyoloji Anabilim Dali, Bornova, Izmir.
Tanisal Ve Girisimsel Radyoloji : Tibbi Goruntuleme Ve Girisimsel Radyoloji Dernegi Yayin Organi
|December 10, 2003
Summary
Persistent fetal arteries, such as the trigeminal artery, are vascular connections between the carotid and vertebrobasilar systems. This study reviews these fetal anastomoses using advanced imaging techniques.
Area of Science:
- Neuroanatomy
- Vascular Biology
- Medical Imaging
Context:
- Persistent fetal anastomoses represent embryonic blood vessel patterns that sometimes remain in adults.
- These connections link the carotid and vertebrobasilar circulations, potentially impacting cerebral blood flow.
- Understanding these persistent vessels is crucial for diagnosing cerebrovascular conditions.
Purpose:
- To review persistent fetal carotid-vertebrobasilar anastomoses.
- To illustrate these vascular anomalies using Magnetic Resonance Imaging (MRI) and Digital Subtraction Angiography (DSA).
Summary:
- The study focuses on specific persistent fetal anastomoses: primitive trigeminal, otic (acoustic), hypoglossal, and proatlantal intersegmental arteries.
- These vessels are embryonic connections between the major cerebral arterial systems.
- Their persistence is examined in relation to the normal development and regression of other arteries.
Impact:
- Enhances understanding of normal and variant cerebrovascular anatomy.
- Aids in the accurate interpretation of neuroimaging studies for conditions involving these persistent vessels.
- Provides a basis for further research into the clinical significance of these anastomoses.