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Fig 4. Case 6, a 51-year-old man with acute subarachnoid hemorrhage. A, Anteroposterior cerebral angiogram revealed a dissecting aneurysm (arrow) on the right V4 of the VA. B, Plain film showed balloon-in-stent technique for the coil embolization of aneurysm. C, Immediate cerebral angiogram after coiling revealed subtotal occlusion of the aneurysm (arrow). D, 3-month follow-up angiogram after coiling demonstrated enlargement of the residual aneurysm cavity (arrow). E, Plain film showed deployment of the covered stent after balloon inflation (arrows). F, Total occlusion of the aneurysm sac and excellent patency of the parent artery was shown by immediate angiogram after covered stent placement. G, 3-month follow-up angiogram revealed the disappearance of aneurysm, with mild dilation of parent artery (arrows); this patient was still under close follow-up.
