Treatment of intracranial giant aneurysms presents is challenging. In the case of pediatric giant aneurysm, more challenges arise. We describe our experience with a 17-year-old pediatric patient who presented with severe headache. She was diagnosed as having a giant fusiform aneurysm at the right P1-P2-Pcom junction. The aneurysm was treated with superficial temporal artery-posterior cerebral artery bypass and subsequent coil embolization of the aneurysm with parent artery occlusion. The patient had an excellent outcome at one-year follow-up. Our case suggests a combined approach of surgical and endovascular management may yield a better outcome than surgery or endovascular management alone in the treatment of pediatric giant aneurysm.
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