Cases selected for study
| Patient No. | Location | Size (mm) | Parent Artery | Ruptured |
|---|---|---|---|---|
| 1 | Left ICA | 9 | ICA siphon | No |
| 2 | Left MCA | 8 | Short M1 | No |
| 3 | Right MCA | 6 | Long M1 | Yes |
| 4 | AcomA | 10 | Symmetrical A1s | No |
Note:—ICA indicates internal carotid artery; MCA, middle cerebral artery; AcomA, anterior communicating artery.