TABLE 2.
Distribution of Anatomic Sites and Presentation by Age
| All ages |
Age (y) |
|||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| n | % | 0–2 |
3–9 |
10–19 |
20–29 |
30–39 |
40–49 |
50–59 |
60–69 |
70–79 |
80+ |
|||
| % | % | % | % | % | % | % | % | % | % | |||||
| Extra-cranial | Spinal cord | 958 | 39.8 | 1.2 | 4.8 | 21.4 | 43.6 | 54.0 | 63.9 | 55.0 | 48.0 | 52.6 | 51.9 | |
| Intracranial | Supratentorial | 910 | 37.8 | 56.7 | 64.7 | 54.7 | 36.7 | 27.5 | 21.8 | 27.9 | 28.1 | 28.1 | 44.4 | |
| Cortex | 628 | 26.1 | 40.5 | 50.6 | 41.5 | 21.2 | 17.6 | 14.6 | 17.4 | 18.4 | 16.7 | 33.3 | ||
| Ventricle | 282 | 11.7 | 16.3 | 14.1 | 13.2 | 15.5 | 9.9 | 7.2 | 10.6 | 9.7 | 11.4 | 11.1 | ||
| Infratentorial | 530 | 22 | 42.1 | 29.7 | 23.9 | 18.9 | 18.2 | 13.8 | 16.5 | 23.5 | 19.3 | 3.7 | ||
| Brain stem | 384 | 15.9 | 26.6 | 20.4 | 16.2 | 15.9 | 15.5 | 9.8 | 12.6 | 18.9 | 11.4 | 0.0 | ||
| Cerebellum | 146 | 6.1 | 15.5 | 9.3 | 7.7 | 3.0 | 2.7 | 4.0 | 3.8 | 4.6 | 7.9 | 3.7 | ||
| Other | 10 | 0.4 | 0.0 | 0.7 | 0.0 | 0.8 | 0.3 | 0.5 | 0.6 | 0.5 | 0.0 | 0.0 | ||
| Total | 2408 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | ||