Aneurysm location
| Aneurysm location | Number | Per cent |
|---|---|---|
| ACA | 10 | 19 |
| A1 | 1 | 2 |
| A1/A2 | 2 | 4 |
| AcomA | 7 | 13 |
| ICA | 42 | 81 |
| Cervical | 1 | 2 |
| Petrous | 1 | 2 |
| Cavernous | 6 | 12 |
| Ophthalmic | 12 | 23 |
| Paraophthalmic | 8 | 15 |
| Clinoidal | 1 | 2 |
| SHA | 1 | 2 |
| Communicating | 5 | 10 |
| Supraclinoid | 6 | 12 |
| Termination | 1 | 2 |
ACA, anterior cerebral artery; AcomA, anterior communicating artery; ICA, internal carotid artery; SHA, superior hypophyseal artery.