One Case of Traumatic Pericallosal Artery Aneurysm: A Case Report

Traumatic aneurysm is known to be very rare vascular disease. The authors experienced one case of traumatic aneurysm that occured on pericallosal artery after closed head injury. Traumatic aneurysm was suspected by enlarged traumatic ICH on the corpus callosum in brain CT scan and presence of signal voiding at the center of the hematoma in brain MRI scan and then confirmed by transfermoral carotid angiography. Clipped neck of this traumatic aneurysm successfully via interhemispheric approach, we report a case of traumatic pericallosal artery aneurysm with review of literatures.