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FIG 1. Patient 1, a 32-year-old woman with two de novo aneurysms.
A, DSA, right carotid injection, lateral view, showing adequate clipping of a right MCA aneurysm and absence of additional aneurysms in the distal right ICA.
B, DSA, right carotid injection, lateral view, showing a new aneurysm in the right PComA region (arrow). A second new lesion appears as a double attenuation sign in the anterior choroidal region (arrowhead).
C, DSA, right carotid injection, contralateral oblique view, demonstrating both de novo aneurysm (arrows).
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