Vascular Headache: A Presenting Symptom of Multiple Sclerosis

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Abstract
Vascular headache of migraine-type may be a presenting symptom of multiple sclerosis (MS), a condition usually not considered in the differential diagnosis of a severe headache accompanied by neurological signs. We reviewed records of 1,113 patients with MS seen from 1967-1987 and found 44 cases whose initial attack or subsequent exacerbations were heralded by a migraine-type headache. Twenty-seven patients had no prior history of migraine, and of these, 12 presented simultaneously with their first headache and MS attack. Twenty-three patients had symptoms of a posterior fossa mass lesion. The significance of these results and possible pathogenesis is discussed.