title: Fenestration of the internal carotid artery.
abstract: Fenestration of the internal carotid artery is very rare. The authors describe two cases of fenestration at the cervical portion of the internal carotid artery that were revealed by angiography. The embryological basis and clinical significance of this anomalous condition are discussed.
mesh_terms: D002343:Carotid Artery, Internal / Q000002:abnormalities* / Q000000981:diagnostic imaging; D002533:Cerebral Angiography; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged