Table 2.
Size and volume measurements of surveilled aneurysms. .
| Diameter | Sac Height | Neck Width | Volume | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| # | Location | Span (m) | BL (mm) | Δ (mm) | BL (mm) | Δ (mm) | BL (mm) | Δ (mm) | BL (mm3) | Δ (mm3) | Δ (%) |
| 1 | MCA | 15.8 | 2.2 | 0.2 | 1.6 | −0.1 | 1.2 | 0 | 18.5 | −0.8 | −4.3 |
| 2 | MCA | 2.8 | 2.4 | 0.1 | 1.6 | 0.1 | 2.4 | 0.1 | 32 | −1.8 | −5.6 |
| 3 | MCA | 19.5 | 2.5 | 0.7 | 3.2 | 0.8 | 1.2 | 0.6 | 36.7 | 0.7 | 1.9 |
| 4 | ICA | 13.6 | 2.7 | 0.5 | 2.5 | 0.2 | 2 | 0 | 80.3 | 0.9 | 1.1 |
| 5 | ICA | 6.9 | 3 | 0 | 2.3 | −0.4 | 3 | 0 | 119.8 | −6.5 | −5.4 |
| 6 | MCA | 17.5 | 3.2 | 0.1 | 4 | 0.3 | 1.9 | 0.1 | 42.5 | −3.5 | −8.2 |
| 7 | MCA | 1.6 | 3.6 | −0.4 | 3.3 | −0.5 | 3.3 | −0.6 | 49.9 | 5.1 | 10.1 |
| 8 | MCA | 2.7 | 3.8 | −0.2 | 3.4 | 0.2 | 3.8 | −0.6 | 62.9 | −0.7 | −1.1 |
| 9 | BA | 17.5 | 4 | −0.4 | 4 | −0.4 | 1.7 | 0.4 | 11 | 0.6 | 5.5 |
| 10 | ICA | 17.7 | 4.3 | 0 | 7 | −0.1 | 2.9 | −0.6 | 165.2 | −9.4 | −5.7 |
| 11 | PICA | 2.4 | 4.8 | −0.6 | 5 | −0.4 | 1.7 | −0.3 | 88.9 | 0.8 | 0.9 |
| 12 | ACOM | 13.6 | 5 | 0.4 | 5.8 | −0.5 | 4 | −0.2 | 63.9 | 4.1 | 6.4 |
| 13 | ICA | 7 | 5.2 | −0.4 | 2.8 | −0.6 | 2.3 | 1.1 | 186.5 | 1.3 | 0.7 |
| 14 | VB*† | 5.4 | 7.6 | 1.1 | 1913.9 | 440.9 | 23.0 | ||||
| 15 | BA* | 22.6 | 7.6 | 0.2 | 530.7 | −2.3 | −0.4 | ||||
| 16 | PCOM*† | 4.3 | 9.4 | 0.1 | 1072.5 | −513.3 | −47.9 | ||||
| 17 | BA* | 6.4 | 11.2 | 0.2 | 1503 | 73.9 | 4.9 | ||||
| 18 | ICA* | 19.7 | 18.9 | 1.3 | 2954.3 | 1837.9 | 62.2 | ||||
Span is the time between scans (m = months).
*Denotes fusiform aneurysms, †denotes thrombosed aneurysms, BL = baseline, bold values indicate 2D length or volume change above the threshold (1 mm for length and 10.2% for volume).