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» Articles » PMID: 958611

Rare Carotid-vertebrobasilar Anastomoses with Notes on the Differentiation Between Proatlantal and Hypoglossal Arteries

Overview
Journal Neuroradiology
Specialties Neurology
Radiology
Date 1976 Jul 16
PMID 958611
Citations 25
Authors
R A Anderson
F K SONDHEIMER
Affiliations
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Abstract

Two cases of persistent anastomoses between the carotid and vertebrobasilar systems which have only once been previously reported are described. These are a proatlantal intersegmental artery which arises from the external carotid artery and a primitive trigeminal artery with direct anastomosis to the superior cerebellar artery. Angiographic criteria for differentiation of the proatlantal and more common hypoglossal arteries, as well as the rare persistent cervical intersegmental artery are also presented.

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