1.
Clinicopathological characteristics of 153 meningioma cases
| Variables | n (%) |
| Age, years | |
| Ranging from 6 to 80 years (mean±SD) | 47.58±13.92 |
| <30 | 22 (14.4) |
| >30 | 131 (85.6) |
| Gender | |
| Male | 40 (26.1) |
| Female | 113 (73.9) |
| Location | |
| Hemispheric | 99 (64.7) |
| Skull base | 40 (26.1) |
| Spinal | 14 (9.2) |
| Histologic type | |
| Transitional | 60 (39.2) |
| Meningiotheliomatous | 41 (26.8) |
| Psammomatous | 12 (7.8) |
| Fibroblastic | 11 (7.2) |
| Atypical | 18 (11.8) |
| Microcystic | 3 (2) |
| Metaplastic | 2 (1.3) |
| Angiomatous | 3 (2) |
| Malignant | 3 (2) |
| Histologic grade | |
| Grade 1 | 131 (85.6) |
| Grade 2 | 19 (12.4) |
| Grade 3 | 3 (2) |
| Recurrence | |
| No | 133 (86.9) |
| Yes | 20 (13.1) |
| Brain invasion | |
| No | 131 (85.6) |
| Yes | 22 (14.4) |