Fig. 3
From: Nail gun injuries to the head with minimal neurological consequences: a case series
a Skull X-ray. b Computed tomography head – bone window showing two nails penetrating the calvarium on each side. There was evidence of subarachnoid hemorrhage on computed tomography. c Cerebral angiogram three-dimensional reconstruction. Three-dimensional rotations re-demonstrated the presence of bilateral temporal horizontal metallic nails coursing adjacent to the main proximal intracranial vessels. No definite contrast extravasation, arterial occlusion, stenosis or pseudoaneurysm was identified