Fig. 4
From: Treatment of direct carotid-cavernous fistula with Willis covered stent with midterm follow-up
The endoleak after stent deployment was sealed with coils through a pre-set microcatheter. A Angiography of the right ICA confirmed the diagnosis and showed the fistula. B A microcatheter was placed into the cavernous sinus through the fistula. C, D After the stent deployment and repeated balloon dilation, an endoleak persisted. E The endoleak was sealed with two coils delivered through the pre-set microcatheter