E-193 Non-aneurysmal subarachnoid hemorrhage in a patient with a rare persistent trigeminal artery to superior cerebellar artery anatomical variant

Abstract

BackgroundA persistent trigeminal artery (PTA) is rare remnant of fetal circulation involving an anastomosis between the carotid and vertebrobasilar system. PTAs are found in only 0.1-0.6% of cerebral angiography. Multiple...