Introduction: Treatment of very wide neck aneurysms is challenging, especially if a deconstructive approach is not possible. When the aneurysm neck compromises more than half of the parent vessel perimeter, obtaining a useful working projection able to distinguish the aneurysm from the parent artery becomes very difficult. In these cases, even with a stent placed covering the aneurysm neck there is no certainty of absence of coil loops protruding into the parent artery. …