Presentation
Headaches.
Patient Data
Age: 35 years
From the case:
Aneurysm of the ACA - A1 segment
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The CTA with 3D-VR shows a saccular aneurysm of the anterior cerebral artery (A1 or pre-communicating segment) measuring (8 x 6 mm) with a narrowed neck measuring 2 mm. The remainder of the arterial circle of Willis is unremarkable. No subarachnoid hemorrhage is seen.
From the case:
Aneurysm of the ACA - A1 segment
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Annotated image: the white arrow indicates the saccular aneurysm of the right anterior cerebral artery.
Case Discussion
CT features of a saccular aneurysm of the A1 or pre-communicating segment of the anterior cerebral artery.