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Updated: Jan 26, 2026

Minimally Invasive Thumb-sized Pterional Craniotomy for Surgical Clip Ligation of Unruptured Anterior Circulation Aneurysms
Published on: August 11, 2015
Transcortical transventricular transchoroidal-fissure approach to distal fusiform hyperplastic anterior choroidal
Caleb Rutledge1, Soren Jonzzon2, Ethan Andrew Winkler1
1Department of Neurological Surgery, University of California San Francisco, San Francisco, CA, USA.
Abstract:
A hyperplastic anterior choroidal artery is a vascular anomaly where the anterior choroidal artery supplies the posterior cerebral artery territory. We report a case of subarachnoid hemorrhage from a hyperplastic anterior choroidal artery with tandem fusiform aneurysms. The patient underwent a temporal craniotomy and transcortical transventricular transchoroidal-fissure approach for clip reconstruction. This case illustrates an unusual cerebrovascular pathology and approach to the ambient cistern.
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