Surgically Clipping a Posterolaterally Projecting Posterior Communicating Artery Aneurysm With Anterior Petroclinoid Fold Fenestration.

The anterior petroclinoid fold (APF) is a ligamentous structure consisting of collagen fiber and extends from the petrous apex to the anterior clinoid process. During the surgical clipping of some posterolaterally projecting posterior communicating artery aneurysms, it may pose a technical challenge due to obscuration of the aneurismal neck by the APF. Herein, the authors describe a simple and effective technique utilizing fenestration of the APF to facilitate visualization and surgical clipping of these aneurysms. To the best knowledge of us, this technique of the APF fenestration has been reported in only a few patients. (C) 2016 by Mutaz B. Habal, MD.

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