hypoplastisches A1-Segment der Arteria cerebri anterior

Common and

uncommon intracranial arterial anatomic variations in multi-detector computed tomography angiography (MDCTA). What radiologists should be aware of. CTA (VRT 3D reconstructions) shows a hypoplastic right-sided A1 segment of the anterior cerebral artery (white arrow) in a patient with an Acom aneurysm. Note the presence of a foetal Pcom on the same side (yellow arrow)