Dural arteriovenous fistula

Case contributed by Frank Gaillard


Adult patient presenting with non-specific headache.


Large flow voids in the parietal region on the left are seen on this single T2 image which appear to be extra-axial. MIP MRA demonstrates very enlarge external carotid artery supply to a dural arteriovenous fistula. 


An angiogram was performed confirming the presence of dural arteriovenous fistula, located at the posterior aspect of the superior sagittal sinus, and draining via large cortical veins. 

Case Discussion

This patient went on to have surgical ligation of a confirmed dural arteriovenous fistula

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