A B
C D
E F
G

Fig.6. Vertebral angiogram 1.5 years after embolization of the basilar artery with MDS coils (BALT), anteroposterior (A) and lateral views, native (C) and subtracted (B) images: compaction of coils and the aneurysm growth (Case 6). Catheterization of the basilar and right posterior cerebral arteries with an exchangeable guide (D). The LEO stent is implanted in an area of the opening of the right PCA and aneurysm neck (E). Control angiogram, anteroposterior views, native (G) and subtracted (F) images: subtotal occlusion of the aneurysm.