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Characteristics of aneurysms detected*
| Characteristic | No. of Patients (%) | No. of Aneurysms (%) |
|---|---|---|
| size (diameter of largest aneurysm; 58 patients) | ||
| max diameter (mm) | ||
| ≥7 | 2 (3) | |
| 4–6 | 17 (29) | |
| 2–3 | 39 (67) | |
| size (all aneurysms; 71 lesions) | ||
| max diameter (mm) | ||
| ≥7 | 2 (3) | |
| 4–6 | 19 (27) | |
| 2–3 | 50 (70) | |
| location (all aneurysms; 71 lesions) | ||
| artery of origin | ||
| ICA | 31 (44) | |
| OphA | 8 (11) | |
| other ICA | 23 (32) | |
| MCA | 20 (28) | |
| PCoA | 8 (11) | |
| ACA | 7 (10) | |
| ACoA | 3 (4) | |
| other | 2 (3) | |
ACA = anterior cerebral artery.
