The artery connects the internal carotid and the posterior cerebral arteries. Its role is to provide blood supply to the brain. The posterior communicating artery is a location where aneurysms can ...

Posterior Cerebral Artery (PCA) Infarction: Diffusion-weighted MRIs. Note the bright signal in the distribution of the right posterior cerebral artery. This syndrome is most often caused by a cardiac ...

Persistent Fetal Circulation. Rostal-caudal MRA projection. A number of individuals have a normal anatomic variant known as a persistent fetal circulation, where the posterior cerebral artery (PCA) ...

WE have recently studied 2 patients with symptoms of cerebral ischemia in whom a reversal of blood flow through the left vertebral artery was demonstrated. In both cases the anatomic lesion ...

Posterior circulation (PC) strokes occur in the arteries that supply blood to the back of the brain. They can cause nausea, dizziness, and visual disturbances. A stroke occurs due to reduced blood ...