FIG 2. Neointimal formation and scoring system. Definitions of scores and examples shown by macroscopic photography of neointimal formation and recanalization at the neck of aneurysms treated with coils or cyanoacrylate.

A, Thick neointima completely seals orifice of aneurysmal neck treated with cyanoacrylate.

B, ANBD-assisted coil embolization treated with cyanoacrylate.

C, ANBD-assisted coil embolization.

D, Coil embolization without ANBD.

E, ANBD-assisted coil embolization.