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Combined surgical and intraoperative endovascular approach for a giant internal carotid artery aneurysm in the high cervical region.

For the obliteration of a large aneurysm located at the cranial base or high cervical region, several therapeutic strategies including a parent vessel ligation, and endovascular occlusion have been reported, because it is difficult to access the aneurysm itself. We used a combined surgical and endovascular approach for the treatment of a large internal carotid artery aneurysm in the high cervical region. In the present case, we performed superficial temporal artery to middle cerebral artery bypass, then obliterated the aneurysm with distal coil embolization and proximal ligation in one session, using portable digital subtraction angiography. The combined endovascular and surgical approach involves less invasive surgery for complex cerebrovascular lesions.