Fig. 2
From: Repaired coarctation of the aorta, persistent arterial hypertension and the selfish brain
Vertebral artery hypoplasia. Panels a to c show 3D MRA reconstructions of the Circle of Willis and vertebral arteries. a Normal symmetrical vertebral arteries (arrows). b Right vertebral artery hypoplasia (arrow). 4 mm aneurysm of the distal right middle cerebral artery (arrowhead). c Left vertebral artery hypoplasia (arrow). Note incidental hypoplasia of the pre-communicating left anterior cerebral artery