Persistent external carotid-vertebrobasilar anastomosis via the hypoglossal canal.
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.
Nakamura
M
M
Department of Neurosurgery, Gunma University School of Medicine, Showa-machi, Maebashi, Gunma, 371-8511, Japan. ksatoshi@showa.gunma-u.ac.jp
Kobayashi
S
S
Yoshida
T
T
Kamagata
M
M
Sasaki
T
T
D001488:Basilar Artery / Q000002:abnormalities / Q000473:pathology*; D002342:Carotid Artery, External / Q000002:abnormalities / Q000473:pathology*; D006801:Humans; D007002:Hypoglossal Nerve / Q000098:blood supply; D002532:Intracranial Aneurysm / Q000473:pathology*; D018810:Magnetic Resonance Angiography; D008297:Male; D008875:Middle Aged; D014711:Vertebral Artery / Q000002:abnormalities / Q000473:pathology*