Your brain’s blood supply follows a precise map — and knowing it can save lives in a stroke emergency. From the circle of Willis to the middle cerebral artery, each vessel feeds specific brain regions ...

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 producing ...

The middle cerebral artery (MCA) is the largest of the three major arteries that channels fresh blood to the brain. It branches off the internal carotid artery. It supplies blood to lateral (side) ...

Centrally located in the brain, the posterior cerebral artery makes up the lower portion of the circle of Willis. This arterial network also consists of posterior and anterior communicating arteries, ...

Panel A shows a noncontrast computed tomographic (CT) scan of the head (transverse section) revealing slight hypodensity in the left insular cortex (arrow). Panel B shows a CT angiogram (transverse ...

Anterior Cerebral Artery Infarction. Axial CT scans. Note the metal fragment (bright signal) near the midline (left upper image). In the remaining scans, note the hypodensity in the distribution of ...

A brain aneurysm is an area of weakness in a brain blood vessel that over time can grow larger and thinner. Aneurysms are dangerous because they can grow and eventually rupture allowing blood to leak ...

A 44 year-old woman developed the abrupt onset of an explosive headache. On exam, she was obtunded with right sided weakness. Subarachnoid Hemorrhage - Middle Cerebral Artery Aneurysm. Cerebral ...

Clinical experience with Terumo’s Roadsaver™ carotid artery stent system. Edvard Skripochnik, MD Chief, Vascular and Endovascular Surgery NewYork-Presbyterian Westchester Assistant Professor of ...

A vasospasm is when one of the arteries carrying oxygen-rich blood throughout your body suddenly contracts. (The word "vaso" means vessel, and "spasm" is a sudden, involuntary muscle squeeze.) This ...