AN UNUSUAL DURAL ARTERIOVENOUS-FISTULA IN AN INFANT

Dural arteriovenous fistula, (AVF), a rare entity, presents most commo nly in adults. An 11-month-old boy presented with symptoms of congenit al toxoplasmosis associated with an extensive dural AVF of the torcula r Herophili and bilateral occlusion of the transverse and sigmoid sinu ses. His intracranial venous drainage had become rerouted via the cave rnous sinuses to the ophthalmic veins. The relationship of toxoplasmos is and sinus thrombosis to the pathogenesis of dural AVF and their cli nical and radiological features are discussed.