OBJECTIVE To report a case of a hyperdense posterior cerebral artery (PCA) sign in the setting of spontaneous vertebral artery dissection. CLINICAL PRESENTATION AND INTERVENTION A 28-year-old, previously healthy female presented with rapidly progressive coma. A noncontrast computerized tomographic (CT) scan showed a hyperdense PCA sign, which prompted an urgent arteriogram. She was found to h...

Purpose: To report the first case of a 53-year-old male patient diagnosed with central Horner syndrome, associated vertebral artery dissection, which has never been reported in Korea to date.Case summary: A presented conjunctival hyperemia left eye for over 4 months, past history acute subarachnoid hemorrhage and ruptured dissecting aneurysm artery. On slit-lamp examination, mild ptosis upper e...