Aneurysm location and size
| No. of Aneurysms (n = 141) | |
|---|---|
| Arterial location | |
| Internal carotid | 47 |
| Anterior cerebral | 30 |
| Anterior communicating | 15 |
| Middle cerebral | 33 |
| Posterior cerebral | 1 |
| Superior cerebellar | 1 |
| Basilar termination | 9 |
| Anterior inferior cerebral | 2 |
| Vertebral | 3 |
| Size | |
| <10 mm with neck <4 mm | 75 |
| <10 mm with neck ≥4 mm | 40 |
| ≥10 mm with neck <4 mm | 8 |
| ≥10 mm with neck ≥4 mm | 18 |