Patient demographics and pathologic findings
| Variables | Meningiomas (n = 102, 76.7%) | Malignant Dural-Based Tumors (n = 31, 23.3%) |
|---|---|---|
| Age (mean) (yr) | 51.96 (SD, 10.69) | 50.03 (SD, 20.81) |
| Sex | ||
| Female | 85 (83.3%) | 15 (48.4%) |
| Male | 17 (16.7%) | 16 (51.6%) |
| Size (mean) (cm) | 4.37 (SD, 1.91) | 4.5 (SD, 2.2) |
| WHO grade | ||
| I | 72 (70.6%) | – |
| II | 22 (21.6%) | – |
| III | 8 (7.8%) | – |
| Location | ||
| Convexity | 24 (23.5%) | 19 (61.2%) |
| Sphenoid wing | 20 (19.6%) | 3 (9.6%) |
| Petroclival | 18 (17.6%) | 1 (3.3%) |
| Parafalcine | 13 (12.7%) | – |
| Cavernous sinus | 9 (8.8%) | 3 (9.6%) |
| Cerebellopontine angle | 6 (5.8%) | 1 (3.3%) |
| Suprasellar | 9 (8.8%) | – |
| Foramen magnum | 2 (1.9%) | – |
| Olfactory groove | 1 (0.9%) | – |
| Orbit | – | 3 (9.6%) |
| Prepontine | – | 1 (3.3%) |
Note:—The en dash (–) indicates none.