fig. 1. Case 6.

A, Anteroposterior right vertebral angiogram shows a large wide-necked aneurysm at the basilar tip; B, lateral view of same; C, 3D reconstruction, lateral view, note width of neck in anteroposterior diameter; D, anteroposterior view of microcatheter, with coil ready for deployment, introduced into aneurysm via right VA; also visible is the remodeling balloon catheter with guidewire, introduced via the right ICA, then coursing through the PCom, right P1, and across the neck of the aneurysm, with the wire extending into the left P1 and P2; E, schematic illustration of catheter deployment; F, final phase of embolization, just before detachment of last coil (arrow on proximal marker of embolization catheter), with remodeling balloon inflated, anteroposterior view; G, lateral view of same, note how the top of the BA has been remodeled with the balloon, reconstructing the normal vascular lumen; H, final postembolization anteroposterior vertebral angiogram; I, same, lateral view, note the curve of the top of the BA and the proximal P1 due to balloon remodeling.