Locked-in syndrome due to midbrain infarct is very rare. This report d
escribes a patient with locked-in syndrome whose magnetic resonance im
ages showed bilateral infarcts in the cerebral peduncle. Cerebral angi
ography disclosed bilateral irregular thrombotic narrowing of the vert
ebral and proximal basilar arteries with rostral basilar artery occlus
ion, a previously unreported finding.