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Anomalous arteries at the base of the brain – a case report

Author(s): Nayak SB

Journal: Neuroanatomy
ISSN 1303-1783

Volume: 7;
Issue: 1;
Start page: 45;
Date: 2008;
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Keywords: neuroanatomy | circle of Willis | middle cerebral artery | anterior cerebral artery | posterior communicating artery | internal carotid artery

Anomalies of the branches of internal carotid artery can lead to serious clinical conditions like stroke. Wereport here an anomalous pattern of the cerebral arteries. The left internal carotid artery was smaller than theright and it continued as middle cerebral artery instead of dividing into anterior and middle cerebral arteries.It also failed to give the posterior communicating artery. The right internal carotid artery was almost doublethe size compared to the left internal carotid artery. It gave rise to a common trunk which divided into rightand left anterior cerebral arteries. The knowledge of these anomalous arteries may be useful for neurosurgeons,radiologists and clinicians in general.
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