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LETTER TO EDITOR
Year : 2009  |  Volume : 57  |  Issue : 4  |  Page : 514-515

Posterior communicating artery aneurysm associated with duplicated posterior communicating artery and bilateral fetal posterior cerebral arteries


Department of Neurosurgery, All India Institute of Medical Sciences, New Delhi, India

Date of Acceptance25-Mar-2009
Date of Web Publication10-Sep-2009

Correspondence Address:
Ashish Suri
Department of Neurosurgery, All India Institute of Medical Sciences, New Delhi
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/0028-3886.55592

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How to cite this article:
Basheer N, Kasliwal MK, Suri A. Posterior communicating artery aneurysm associated with duplicated posterior communicating artery and bilateral fetal posterior cerebral arteries. Neurol India 2009;57:514-5

How to cite this URL:
Basheer N, Kasliwal MK, Suri A. Posterior communicating artery aneurysm associated with duplicated posterior communicating artery and bilateral fetal posterior cerebral arteries. Neurol India [serial online] 2009 [cited 2023 Jan 29];57:514-5. Available from: https://www.neurologyindia.com/text.asp?2009/57/4/514/55592


Sir,

A 60-year-old man presented to us with sudden severe headache since two days. NCCT revealed subarachnoid hemorrhage and a diagnosis of ruptured aneurysm was entertained. Digital subtraction angiography revealed a posterior communicating artery (PcomA) aneurysm with duplicated PComA and bilateral fetal posterior cerebral arteries (PCAs) [Figure 1]. Microsurgical clipping was performed with preservation of both PcomAs [Figure 2], with an excellent postoperative course.

Presence of fetal PCA in association with PcomA aneurysms makes surgery challenging as preservation of PcomA becomes vital to ensure vascular supply in the PCA territory. This is because the PCA territory is being perfused predominantly from the ICA through the PcomA in patients with fetal PCA. Duplication of the PcomA is a rare variation in which two arteries arise independently from the ICA and accounts for less than 0.2% of anatomical variations in cerebral vasculature.[1] Though anatomical variations like aplasia and fenestration of PcomA have been reported, [2],[3] presence of bilateral fetal PCA with a duplicated PcomA in association with a PcomA aneurysm is distinctly rare. [1] Knowledge of such an anatomical variation is surgically important to prevent inadvertent complications.

 
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1.Hashimoto M, Urasaki E, Tsujigami S, Yokota A. Ruptured aneurysm associated with partially duplicated posterior communicating artery-case report. Neurol Med Chir (Tokyo) 2002;42:23-6.  Back to cited text no. 1    
2.Tripathi M, Goel V, Padma MV, Jain S, Maheshwari MC, Gaikwad S, et al. Fenestration of the posterior communicating artery. Neurol India 2003;51:75-6.  Back to cited text no. 2  [PUBMED]  Medknow Journal
3.Banach MJ, Flamm ES. Supraclinoid internal carotid artery fenestration with an associated aneurysm. Case report. J Neurosurg 1993;79:438-41.  Back to cited text no. 3    


    Figures

  [Figure 1], [Figure 2]

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1 A ruptured aneurysm arising from the total duplication of the posterior communicating artery
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2 Fenestrations and Various Duplications of the Posterior Communicating Artery in the Prenatal and Postnatal Periods
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3 Duplicate origin of the posterior communicating artery diagnosed by magnetic resonance angiography
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