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Carotid-Vertebrobasilar Anastomoses

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Atlas of the Supraaortic Craniocervical Arterial Variations

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Abstract

This chapter includes (1) Persistent trigeminal artery and its variants, (2) Persistent hypoglossal artery and its variants, (3) Ascending pharyngeal artery-posterior inferior cerebellar artery anastomosis, (4) Ascending pharyngeal artery-vertebral artery anastomosis via the jugular foramen (Transjugular artery), (5) Type 1 proatlantal artery (Persistent proatlantal artery), (6) Type 2 proatlantal artery (Persistent first intersegmental artery), and (7) Persistent second intersegmental artery (True persistent otic artery may not exist). There are 27 figures and 4 illustrations.

The above entities are rare and usually found incidentally, but they can have clinical significance. Their variance can represent aneurysm formation at the origin of the anomalous artery, cerebral ischemia due to unique blood flow, or other complications. Thus, the recognition and correct diagnosis of these anomalous vessels are important when interpreting MR and CT angiography findings.

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Authors and Affiliations

  1. Department of Radiology, Saitama Sekishinkai Hospital, Sayama, Saitama, Japan

    Akira Uchino

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  1. Akira Uchino
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Uchino, A. (2022). Carotid-Vertebrobasilar Anastomoses. In: Atlas of the Supraaortic Craniocervical Arterial Variations. Springer, Singapore. https://doi.org/10.1007/978-981-16-6803-6_5

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  • DOI: https://doi.org/10.1007/978-981-16-6803-6_5

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  • Publisher Name: Springer, Singapore

  • Print ISBN: 978-981-16-6802-9

  • Online ISBN: 978-981-16-6803-6

  • eBook Packages: MedicineMedicine (R0)

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