A B
C D
E F
G

Fig.3. Vertebral angiogram, lateral (A) and anteroposterior (B) views: aneurysm of the basilar artery trunk (Case 3). The LEO stent, implanted into the basilar artery at the neck level; lateral (C) and anteroposterior (D) views. One can see radiopaque platinum threads along the stent length. Vertebral angiogram after aneurysm occlusion, native (E) and subtracted images: lateral (F) and anteroposterior (G) views.