Posterior inferior cerebellar artery (PICA) aneurysms are vascular abnormalities that can lead to serious complications, including subarachnoid hemorrhage and cerebellar hemorrhage. These ...

The anterior inferior cerebellar artery (AICA) aneurysms are rare vascular lesions located in the posterior circulation of the brain. These aneurysms account for a small percentage of all brain ...

originating from paramedian branches of the basilar artery; (E) the cerebellum, originating from penetrating branches of the posterior, inferior, anterior inferior, or superior cerebellar arteries.

The PCA supplies inferior parts of occipital and temporal ... AChA = Anterior choroidal artery; MCA = Middle cerebral artery; PCA = Posterior cerebral artery.