Aneurysm of the ACA - A1 segment

Case contributed by Dr Ammar Haouimi



Patient Data

Age: 35 years

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.

Annotated image

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.

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Case information

rID: 86205
Published: 24th Jan 2021
Last edited: 25th Jan 2021
Inclusion in quiz mode: Included
Institution: Aurès Medical Imaging Center - Batna Algeria