Raymond–Céstan syndrome

Raymond–Céstan syndrome is caused by blockage of the long circumferential branches of the basilar artery.[1] It was described by Fulgence Raymond and Étienne Jacques Marie Raymond Céstan.[2] Along with other related syndromes such as Millard–Gubler syndrome, Foville's syndrome, and Weber's syndrome, the description was instrumental in establishing important principles in brain-stem localization.[3]

Raymond–Céstan syndrome
Other names	upper dorsal pontine syndrome,
Basillar artery runs down the middle(in above image) and blockage is cause of this condition. Diagram of the arterial circulation at the base of the brain (inferior view).
Diagnostic method	Cect/ncct brain, mri brain