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FIG 1. Case 1. Angiograms in a 46-year-old right-handed woman with an SAH of Hunt-Hess grade II.
A, Left VA injection image obtained at an outside institution. The right VA aneurysm (arrow) was missed because of the failure to perform an ipsilateral injection.
B, Right VA ejection image (anteroposterior [AP] projection) shows dissection and pseudoaneurysm at the origin of the right PICA (bottom arrow). Top arrow indicates vasospasm in the distal VA.
C, Right VA injection image (lateral oblique projection) shows a residual fusiform aneurysm. The area is protected by a stent, and the PICA is patent.
D and E, Right VA injection images (lateral [D and E] projections) obtained 6 months after the stent-within-stent procedure shows complete healing of the aneurysm, with patency of the PICA and restoration of the normal caliber of the vessel.
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