Fig. 1.
Left vertebral arteriogram (A) shows a complete occlusion of the distal basilar artery. Anteroposterior (B) and lateral (C) views of the angiogram obtained after the angioplasty and intra-arterial thrombolysis procedures demonstrates partial recanalization of the basilar artery and a single perforating thalamic artery (curved arrow) arising from the midline of the basilar bifurcation.