Willisian collateral and carotid stenosis during large vessel occlusion stroke: Observations from computed tomography angiography.
Objective The larger (≧1 mm) conducting and distributing arteries to the brain are sources of collateral during acute stroke, and include the cervical carotid, ophthalmic, and Circle of Willis (CoW) vessels. This study assessed their anatomy for relationships with stroke severity in large vessel occlusion (LVO), and wi...