The Angiographic Feature and Clinical Implication of Accessory Middle Cerebral Artery
Journal of Korean Neurosurgical Society
;
: 289-292, 2009.
Article
Dans Anglais
| WPRIM
| ID: wpr-212259
ABSTRACT
OBJECTIVE:
Although there are several descriptions of this vessel, there is no detailed angiographic study of the accessory middle cerebral artery (AMCA) in Korea. We describe the angiographic characteristics of the cortical territory and origin of AMCA and discuss the clinical significance of this anomaly.METHODS:
We searched for patients with AMCAs from a retrospective review of 1,250 conventional cerebral angiograms. We determined the origins, diameters and cortical territories of these AMCAs.RESULTS:
Fifteen patients (15 of 1250 = 1.2%) had 16 AMCAs (one patient had bilateral AMCAs). AMCAs originated from the distal A1 in eleven cases, middle A1 in two, proximal A1 in two, and proximal A2 in one case. All AMCAs followed a course parallel to the main middle cerebral artery (MCA). All but three of these arteries were smaller than the main MCA. Thirteen of the smaller diameter AMCAs had cortical distribution to the orbito-frontal and prefrontal, and precentral areas. Three AMCAs had diameter as large as the main MCA. These three supplied the orbitofrontal, prefrontal, precentral, central and anterior-parietal arteries.CONCLUSION:
The AMCAs originated from A1 or A2. Most had smaller diameter than the main MCA. The AMCAs coursed along the horizontal portion of the MCA, but supplied the orbital surface, the anterior frontal lobe and sometimes wider cortical territory, including the precentral, central, anterior-parietal areas.
Texte intégral:
Disponible
Indice:
WPRIM (Pacifique occidental)
Sujet Principal:
Orbite
/
Artères
/
Acide tranéxamique
/
Études rétrospectives
/
Artère cérébrale moyenne
/
Lobe frontal
/
Glycosaminoglycanes
/
Corée
Type d'étude:
Étude observationnelle
Limites du sujet:
Humains
Pays comme sujet:
Asie
langue:
Anglais
Texte intégral:
Journal of Korean Neurosurgical Society
Année:
2009
Type:
Article
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