The posterior communicating artery (PCOM) is a part of a group of arteries in the brain known as the circle of Willis. The artery connects the internal carotid and the posterior cerebral arteries.

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 ...

A 60 year-old woman developed the abrupt onset of difficulty seeing on the left side following the traumatic placement of a central line that punctured the right subclavian artery. Posterior Cerebral ...

Although not mandated, symptomatic stenosis or occlusion of a posterior circulation artery on CT angiography or evidence of hypoperfusion on CT perfusion imaging could be used to support the ...

It can occur when the basilar artery, which provides blood to the posterior areas of the brain, becomes blocked or ruptured. The basilar artery is the main artery at the base of the brain ...