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Aneurysm Characteristics
| Location | N | |
|---|---|---|
| Middle cerebral artery | 33 | 36% |
| Anterior communicating artery | 24 | 26% |
| Basilar artery | 21 | 23% |
| Internal carotid artery terminus | 8 | 9% |
| Posterior communicating artery | 2 | 2% |
| Ophthalmic artery | 1 | 1% |
| Posterior inferior cerebellar artery | 1 | 1% |
| Distal anterior cerebral artery | 1 | 1% |
| Multilobulated | ||
| Yes | 55 | 60% |
| Maximum Measured Diameter | ||
| Small (<7 mm) | 50 | 55% |
| Medium (7 to 12 mm) | 40 | 44% |
| Large (13 to 24 mm) | 1 | 1% |
