Digital left common carotid angiogram; Towne & transorbital oblique














































Digital left common carotid angiogram; Towne & transorbital oblique

Findings: 7 mm aneurysm arising in the region of the A1 segment of the left anterior cerebral artery which projects superomedially and does not completely fill with contrast suggesting partial thrombosis. The ACOM is not visualized however there is flash filling of the right A1 segment.