FIG 2. Patient 2, a 27-year-old woman with two de novo aneurysms.

A, DSA, right carotid injection, oblique view, revealing a right PComA aneurysm (arrowhead). Note the normal appearance of the carotid termination.

B, DSA, right carotid injection, oblique view, showing a complex de novo aneurysm at the carotid termination, with combined saccular and fusiform characteristics (arrowheads). A second lesion is seen above the clip placed 22 months before on the initial PComA aneurysm.

C, DSA, right carotid injection, lateral view, confirming the presence of two separate new aneurysms, one located at the carotid termination (arrowhead), and the other in the PComA region (arrow).