Abstract
Clip occlusion of previously coiled aneurysms poses unique technical challenges. The coil mass can complicate aneurysm neck access and clip tine approximation. This patient had a previously ruptured anterior communicating artery (ACOM) aneurysm that had been treated with coil embolization. On follow-up evaluation, the patient was found to have a recurrence of the aneurysm, which prompted an orbitozygomatic craniotomy for clip occlusion. The approach provided a favorable view of the aneurysm neck with the coil mass protruding outside the aneurysm dome. Indocyanine green fluoroscopy was used to assist with ideal permanent clip placement along the aneurysm neck. The segment of coils present outside the aneurysm neck was removed to reduce mass effect on the optic chiasm. Postoperative imaging demonstrated aneurysm obliteration. The patient gave informed consent for surgery and video recording. Institutional review board approval was deemed unnecessary. Used with permission from Barrow Neurological Institute, Phoenix, Arizona.
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