The three major arteries of the cerebellum: the SCA, AICA, and PICA. (Posterior inferior cerebellar artery is PICA.) Human brainstem blood supply description. PICA is#12. It is the clinical manifestation resulting from occlusion of the posterior inferior cerebellar artery (PICA) or one of its branches or of the vertebral artery, in which the<unk>  part of the medulla oblongata infarcts, resulting in a typical pattern. The most commonly affected artery is the vertebral artery, followed by the PICA, superior middle and inferior medullary arteries.
Lateral medullary syndrome
Medial medullary syndrome
Occipital horn syndrome
Central cord syndrome
Anterior spinal artery syndrome
Lateral pontine syndrome
Vascular myelopathy
Vestibulocerebellar syndrome