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http://dx.doi.org/10.3340/jkns.2009.45.1.43

Ruptured Aneurysm Arising from the Distal End of a Proximal A1 Fenestration : Case Report and Review of the Literature  

Koh, Jun-Seok (Department of Neurosurgery, Stroke and Neurological Disorders Centre, East-West Neo Medical Hospital, Kyung Hee University School of Medicine)
Kim, Eui-Jong (Department of Radiology, Medical Center of Kyung Hee University, Kyung Hee University School of Medicine)
Lee, Seung-Hwan (Department of Neurosurgery, Stroke and Neurological Disorders Centre, East-West Neo Medical Hospital, Kyung Hee University School of Medicine)
Bang, Jae-Seung (Department of Neurosurgery, Stroke and Neurological Disorders Centre, East-West Neo Medical Hospital, Kyung Hee University School of Medicine)
Publication Information
Journal of Korean Neurosurgical Society / v.45, no.1, 2009 , pp. 43-45 More about this Journal
Abstract
A 75-year-old female presented with subarachnoid hemorrhage. Angiography revealed a partial duplication (fenestration) in the proximal $A_1$ segment and a ruptured aneurysm at the distal end of $A_1$ fenestration. This congenital anomaly accompanying an aneurysm was associated with duplicated ipsilateral middle cerebral artery (MCA). Congenital defect of the arterial wall and hemodynamic factors at the fenestrated $A_1$ are considered to play a significant role in the development of this aneurysm. The present case is peculiar because not only the ruptured $A_1$ aneurysm was related with the anterior and middle cerebral artery duplication but also the location of $A_1$ fenestration and the origin of $A_1$ aneurysm in a fenestration are quite unusual.
Keywords
Subarachnoid hemorrhage; Aneurysm; $A_1$ fenestration; Hemodynamic factors;
Citations & Related Records

Times Cited By Web Of Science : 1  (Related Records In Web of Science)
Times Cited By SCOPUS : 4
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