[Internal carotid artery stenosis and external carotid artery occlusion with unusual extracranial collateral pathway: case report]. 1991

M Ueda, and K Morinaga, and Y Matsumoto, and N Omiya, and J Mikami, and H Satou, and Y Inoue, and S Okawara, and K Miyasaka
Okawara Neurosurgical Hospital, Muroran, Japan.

A patient with stenosis of the internal carotid artery and occlusion of the external carotid artery associated with an unusual extracranial collateral pathway is presented. A 63-year-old man was hospitalized for sudden onset of black-out after urination. He was alert, and no neurological deficit was found. MRI showed multiple lacunae in the bilateral putamens. Cerebral angiogram demonstrated severe stenosis of the left internal carotid artery at its cervical segment and complete occlusion of the left external carotid artery at its origin. The ascending pharyngeal artery originated from the left internal carotid artery above its stenotic lesion and the superior thyroid artery originated from the left common carotid artery. The sternocleidomastoid branch from the left superior thyroid artery and the muscular branch from the left vertebral artery anastomosed with the muscular branch of the ascending pharyngeal artery. The ascending pharyngeal artery maintained patency of the internal carotid artery. It is important to perform vertebral angiography when there is proximal occlusion and severe stenosis of the internal carotid artery, and when the ascending pharyngeal artery has not been clearly identified as a branch from the ipsilateral external carotid artery on the common carotid angiogram.

UI MeSH Term Description Entries
D008297 Male Males
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D011859 Radiography Examination of any part of the body for diagnostic purposes by means of X-RAYS or GAMMA RAYS, recording the image on a sensitized surface (such as photographic film). Radiology, Diagnostic X-Ray,Roentgenography,X-Ray, Diagnostic,Diagnostic X-Ray,Diagnostic X-Ray Radiology,X-Ray Radiology, Diagnostic,Diagnostic X Ray,Diagnostic X Ray Radiology,Diagnostic X-Rays,Radiology, Diagnostic X Ray,X Ray Radiology, Diagnostic,X Ray, Diagnostic,X-Rays, Diagnostic
D002340 Carotid Artery Diseases Pathological conditions involving the CAROTID ARTERIES, including the common, internal, and external carotid arteries. ATHEROSCLEROSIS and TRAUMA are relatively frequent causes of carotid artery pathology. Carotid Atherosclerosis,Common Carotid Artery Disease,Internal Carotid Artery Disease,Arterial Diseases, Carotid,Arterial Diseases, Common Carotid,Arterial Diseases, External Carotid,Arterial Diseases, Internal Carotid,Atherosclerotic Disease, Carotid,Carotid Artery Disorders,Carotid Atherosclerotic Disease,Common Carotid Artery Diseases,External Carotid Artery Diseases,Internal Carotid Artery Diseases,Arterial Disease, Carotid,Artery Disease, Carotid,Artery Diseases, Carotid,Artery Disorder, Carotid,Artery Disorders, Carotid,Atherosclerotic Diseases, Carotid,Carotid Arterial Disease,Carotid Arterial Diseases,Carotid Artery Disease,Carotid Artery Disorder,Carotid Atheroscleroses,Carotid Atherosclerotic Diseases,Disorders, Carotid Artery
D002342 Carotid Artery, External Branch of the common carotid artery which supplies the exterior of the head, the face, and the greater part of the neck. Arteries, External Carotid,Artery, External Carotid,Carotid Arteries, External,External Carotid Arteries,External Carotid Artery
D002343 Carotid Artery, Internal Branch of the common carotid artery which supplies the anterior part of the brain, the eye and its appendages, the forehead and nose. Arteries, Internal Carotid,Artery, Internal Carotid,Carotid Arteries, Internal,Internal Carotid Arteries,Internal Carotid Artery
D002560 Cerebrovascular Circulation The circulation of blood through the BLOOD VESSELS of the BRAIN. Brain Blood Flow,Regional Cerebral Blood Flow,Cerebral Blood Flow,Cerebral Circulation,Cerebral Perfusion Pressure,Circulation, Cerebrovascular,Blood Flow, Brain,Blood Flow, Cerebral,Brain Blood Flows,Cerebral Blood Flows,Cerebral Circulations,Cerebral Perfusion Pressures,Circulation, Cerebral,Flow, Brain Blood,Flow, Cerebral Blood,Perfusion Pressure, Cerebral,Pressure, Cerebral Perfusion
D003097 Collateral Circulation Maintenance of blood flow to an organ despite obstruction of a principal vessel. Blood flow is maintained through small vessels. Blood Circulation, Collateral,Circulation, Collateral,Collateral Blood Circulation,Collateral Circulation, Blood,Blood Collateral Circulation,Circulation, Blood Collateral,Circulation, Collateral Blood,Collateral Blood Circulations,Collateral Circulations,Collateral Circulations, Blood
D003251 Constriction, Pathologic The condition of an anatomical structure's being constricted beyond normal dimensions. Stenosis,Stricture,Constriction, Pathological,Pathologic Constriction,Constrictions, Pathologic,Pathologic Constrictions,Pathological Constriction,Stenoses,Strictures
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man

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