“…7,11,23,28) Such aneurysms are usually located on the distal cerebral arteries, and rarely on the internal carotid artery (ICA), mostly in the petrous, cavernous, and supraclinoid segments. 7,11,16,21,23,24) Traumatic intracranial aneurysms are associated with high mortality and morbidity, 16,20,28) so must be detected as early as possible, normally by angiography. The optimal timing of angiography after head injury remains unclear.…”