Values for topologic parameters
| Parameter | Case 1 | Case 2 |
|---|---|---|
| Maximum neck angle, ° | 71 | 139 |
| Parent artery involvement, % | 20 | 39 |
| Ostium length, mm | 2.5 | 4.8 |
| Aneurysm surface area, mm2 | 143 | 64 |
| Aneurysm volume, mm3 | 148 | 56 |
| Dome-to-neck ratio | 1.4 | 1.0 |
| Aneurysm surface-to-ostium area ratio | 18.8 | 2.5 |