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. 2004 Oct 20;8(2):135–141. doi: 10.1177/159101990200800205

Figure 1.

Figure 1

Figure 1

Lateral views of the right VA (A) and the right internal carotid artery (B) angiogram shows VA occlusion proximal to the origin of the PICA (A) and retrograde filling of the basilar artery through the right posterior communicating artery (B). C) Anteroposterior view of the right VA angiogram after 700.000 units of UK shows the restoration of antigrade basilar artery flow with the presence of a subocclusive atherosclerotic lesion of the distal vertebral artery associated with an irregular stenosis of the vertebrobasilar junction. Post PTCA oblique (D) and anteroposterior view (E) of the right VA angiogram shows the reconstitution of VA lumen to an almost normal distal caliber. Note the persistence of the vertebrobasilar stenosis with a small dissection flap (arrow). F) Post stenting angiogram reveals restoration of vessel lumen with regular wall profile in the absence of residual stenosis at the vertebrobasilar junction.