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Treatment of a Giant Aneurysm of the Cavernous Internal Carotid Artery Associated with a Persistent Primitive Trigeminal Artery: Case Report
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1990
Year
Interventional NeuroradiologyEndovascular TechniqueUnruptured Giant AneurysmVascular SurgeryContinued Blood SupplySurgeryCerebrovascular InterventionGiant AneurysmEc-ic Bypass SurgeryMedicineNeurovascular DiseaseCase Report
Abstract A case of an unruptured giant aneurysm of the cavernous portion of the left internal carotid artery associated with a persistent primitive trigeminal artery (PTA) is presented. The usual surgical approach to giant aneurysms at this site. including ligation of the ipsilateral internal carotid artery (ICA) and an extracranial-intracranial (EC-IC) bypass, was inadequate because of continued blood supply to the aneurysm via the PTA from the vertebrobasilar system. The patient was successfully treated with a combination of EC-IC bypass surgery, ICA ligation, and simultaneous intravascular balloon obliteration of the ICA just distal to the junction of the PTA and immediately proximal to the aneurysmal neck. Follow-up radiological investigations showed thrombosis of the aneurysm.