Figure 2. Cases 4-6.

(A) Embolization of a type III arteriovenous fistula with intraparenchymal hemorrhage. NHCA is injected from a proximal position, achieving complete fistula occlusion despite inability to catheterize tiny feeders. (B) Embolization of a posterior fossa arteriovenous malformation with NHCA. The microcatheter is positioned distal to the target aneurysm, and the injection results in exclusion of the aneurysm without complications. (C) Treatment of a posterior fossa arteriovenous malformation using NHCA injection. The material advances distally, reaching the nidus of the malformation, demonstrating its penetration capacity and limited reflux.

NHCA: N-hexyl cyanoacrylate