[Transitory protracted blindness in hemicrania as a result of vasospasm caused by vertebral angiography]

The arteriographic findings are described in a patient with classic migraine, who developed transitory neurologic complications, during vertebral arteriography by femoral cateterism. Serial films were taken during "comitata" migraine attack and show a progressive decrease in filling of the vertebral-basilar system and partial stenosis of vertebral artery.