Reduced caliber of the internal carotid artery.
Wolpert
S M
SM
D002343:Carotid Artery, Internal / Q000002:abnormalities / Q000473:pathology*; D016893:Carotid Stenosis / Q000175:diagnosis*; D002533:Cerebral Angiography; D003937:Diagnosis, Differential; D006801:Humans; D002538:Intracranial Arteriovenous Malformations / Q000175:diagnosis; D018810:Magnetic Resonance Angiography