Fig. 1From: Rupture of distal anterior cerebral artery aneurysm presenting only subdural hemorrhage without subarachnoid hemorrhage: a case report a Non-contrast brain CT shows acute subdural hematoma in the left fronto-tempo-parietal area (white arrow). The midline is shifted about 6 mm to the right. b, c Brain CTA reveals an A3–A4 junction aneurysm (black arrow). d 3D-DSA reveals an aneurysm at the A3–A4 junctionBack to article page