From the case: Artery of Percheron infarction
Non-Contrast MRI of the brain with TOF MRA
Axial Time of Flight (TOF) MR angiogram showing a foetal orgin of the left Posterior Cerebral Artery (PCA). At the level of the basilar tip, the origin of a tiny unpaired artery is noted which was pesumed to be the occluded Artery of Percheron. Simalr finding is demonstrated in the 3D rendering.