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Anomalous Origin of the Callosomarginal Artery from the A1 Segment with an Associated Saccular Aneurysm

Although anatomic variations are well known in the A1 segment of the anterior cerebral artery (ACA), anomalous origin of a cortical artery from the A1 segment is extremely rare. The only reported cortical branch to arise from the A1 segment is the fronto-orbital artery. We report a case of anomalous...

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Bibliographic Details
Published in:American Journal of Neuroradiology 2006-11, Vol.27 (10), p.2075-2077
Main Authors: Krishnamoorthy, T, Gupta, A.K, Bhattacharya, R.N, Rajesh, B.J, Purkayastha, S
Format: Article
Language:English
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Summary:Although anatomic variations are well known in the A1 segment of the anterior cerebral artery (ACA), anomalous origin of a cortical artery from the A1 segment is extremely rare. The only reported cortical branch to arise from the A1 segment is the fronto-orbital artery. We report a case of anomalous origin of the callosomarginal artery (CMA) in association with a saccular aneurysm from the A1 segment of the left ACA in a 35-year-old man who presented with intracerebral hemorrhage. To our knowledge, this is the first report of anomalous origin of the CMA from the A1 segment.
ISSN:0195-6108
1936-959X
1432-1920