Presentation
Collapse. Headache.
Patient Data
Age: 60 years
Gender: Male
From the case:
Subarachnoid hemorrhage (ACA aneurysm)
Axial non-contrast

Extensive SAH with intraparenchymal hematoma in the right gyrus rectus and a central lower attenuation focus within it suspicious for an aneurysm of the ACA/ACOM.
From the case:
Subarachnoid hemorrhage (ACA aneurysm)
Loading images...

Common carotid artery

No right A1. Bilobed ACOM aneurysm. Measuring 7.3 x 5 x 3.1mm. Irregular upper margin. Neck measuring 3.1mm, situated over left A2.
Aneurysm was coiled.