Summary of data in 10 patients with P2 segment aneurysms
| Patient No./Sex/Age (y) | Aneurysm Type, Side, and Size | Presenting Symptom | Test | Treatment Type and Year | Clinical Outcome and Follow-Up Findings |
|---|---|---|---|---|---|
| 1/43/M | Saccular, R, giant thrombosis | Headaches, phosphenes | Balloon occlusion | Balloon, 1990 | Excellent, no headaches, phosphenes gone; at 11-mo angiography, no recanalization; MR imaging at 6 y, two-thirds reduction in aneurysmal mass |
| 2/53/F | Saccular, R, giant thrombosis | Headaches, LHH | Balloon occlusion, clinical examination | Balloon, 1994 | LHH, no headaches; at 6-mo angiography, no recanalization |
| 3/20/M | Fusiform, L, large | Headaches | Angiography | GDC, 1996 | Excellent, no headaches; at 1-y angiography, no recanalization |
| 4/60/M | Fusiform, L, large | Headaches | Balloon occlusion | GDC, 1998 | Excellent, no headaches; at 1-y angiography, no recanalization |
| 5/49/F | Fusiform, L, giant thrombosis | Gertsmann syndrome | Angiography | GDC, 1998 | Excellent, no deficit; at 1-y angiography, no recanalization |
| 6/18/F | Saccular, L, large | SAH, hematoma | Angiography | Histoacryl, 1998 | Excellent, no deficit; at 1-y angiography, no recanalization |
| 7/49/F | Saccular, L, large | Headaches | Balloon occlusion | GDC, 1999 | Excellent, no headaches; at 1-y angiography, no recanalization |
| 8/47/M | Fusiform, L, giant thrombosis | SAH, diplopia | Balloon occlusion | GDC, 1999 | Excellent, no deficit; at 1-y angiography, no recanalization |
| 9/26/M | Serpentine, R, giant thrombosis | Headaches | Angiography | GDC, 1999 | Excellent, no headaches; at 1-y angiography, no recanalization |
| 10/70/F | Saccular, R, large | Headaches | None | None | Well 3 y after attempt |
Note.—LHH indicates lateral homonymous hemianopsia; SAH, subarachnoid hemorrhage.