Arterial phase angiograms in (a) oblique and (b) lateral projections of a large (20 mm) left supraclinoid internal carotid artery aneurysm that had recanalized after previous coil embolization. Follow-up angiogram 8 months after placement of pipeline embolization device, (c) oblique and (d) lateral projections, demonstrating complete occlusion of the aneurysm and patency of the ophthalmic artery that was covered by the flow diverter.
