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Persistent external carotid-vertebrobasilar anastomosis via the hypoglossal canal
M Nakamura1, S Kobayashi, T Yoshida
1Department of Neurosurgery, Gunma University School of Medicine, Showa-machi, Maebashi, Gunma, 371-8511, Japan. ksatoshi@showa.gunma-u.ac.jp
Neuroradiology
|January 11, 2001
Abstract:
A persistent external carotid-vertebrobasilar anastomosis, associated with intracranial aneurysms, was identified. The anomalous vessel passed through the hypoglossal canal, and was possibly a variant of the persistent primitive hypoglossal artery.