Abstract
Transvenous occlusion of an affected sinus has become a standardized curative treatment for dural sinus arteriovenous fistula. A 57-year-old man with a left sigmoid sinus isolated dural AVF was successfully treated with tansarterial followed by transvenous embolization. Follow-up angiography one year and two months thereafter showed complete disappearance of the dural AVF. However, one year later, superior parasagittal sinus dural arteriovenous fistula had newly developed, for which the etiology and a careful point for follow-up are here discussed.
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