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Fig 1. Images of a 63-year-old woman who presented with subarachnoid hemorrhage. A, 3D volume-rendering image in oblique projection reveals an anterior choroidal artery aneurysm with daughter sac. The anterior choroidal artery is incorporated into the aneurysm neck. B, Unsubtracted image in working-projection obtained during the procedure. The aneurysm is treated with the double-catheter technique. Note 2 radiopaque markers of the tip of the microcatheter near the aneurysm neck. C, Postembolization control angiography in working-projection reveals near complete occlusion of the aneurysm sac.
