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Acta Neurochir (Wien). 2012 Sep;154(9):1707-10. doi: 10.1007/s00701-012-1435-9. Epub 2012 Jul 26.

Microsurgical clipping of true posterior communicating artery aneurysms.

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  • 1Yale School of Medicine, New Haven, CT 06520, USA.

Abstract

BACKGROUND:

"True" posterior communicating artery (PCOM) aneurysms are rare variants in which the aneurysm arises solely from the PCOM rather than the junction of the internal carotid artery and the PCOM.

METHODS:

It is critical to note that for true PCOM aneurysms, the neck arises distal to the origin of the PCOM and therefore lies in what is traditionally an intra-operative blind spot. The PCOM must be followed posteriorly to visualise the aneurysm neck for microsurgical clipping.

CONCLUSIONS:

A thorough pre-operative understanding of this unique anatomy is essential in minimising morbidity associated with microsurgical clipping of this aneurysm configuration.

PMID:
22832978
[PubMed - indexed for MEDLINE]
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