Large Basilar Aneurysm with Posterior Inferior Cerebellar Artery Stroke and Consequential Fatal Subarachnoid Hemorrhage

Figure 4

MRI Interpretation: Large partially thrombosed 25 mm basilar artery aneurysm without evidence of rupture. There is an acute or early subacute infarct within the left posterior inferior cerebellar artery distribution. There is also a questionable small focus of acute or early subacute infarct at the left posterolateral pontomedullary junction. There is no hydrocephalus or herniation.