Simultaneous bilateral application of the Scepter mini balloon microcatheter for occlusion of ethmoidal dural arteriovenous fistulas.

Ethmoidal dural arteriovenous fistulas are a rare entity accounting for 10 % of all dAVFs. Haemorrhage occurs in up to 91 % of cases, which is a particularly high risk and warrants therapeutic intervention. Endovascular treatment for these fistulas using the conventional detachable microcatheter technique is associated with certain limitations and risks; 8.