Abstract
The authors studied the prevalence of headaches in patients with cerebral arteriovenous malformations followed in the Neurosurgical Department of the Hospital Santo Antonio, Porto, Portugal.
The methods used were headache questionnaire and clinic interview. The IHS criteria and classification were used for the diagnostic classification of headaches. From all the patients studied the relative frequency of the different types of headaches was calculated and compared with the general population data.
A correlative study of the headache characteristics with the type and localization of the arteriovenous malformation was performed and the results are presented and discussed.
Some selected cases of migraine type headaches associated with AVM are presented and the effect of surgery is commented.
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