Table 4 :
Frequency of tumor location in study groups
| Sites | Benign (%) | Atypical (%) | Malignant (%) |
|---|---|---|---|
| Cerbral convexity | 68(31.1) | 6(31.6) | 7(50) |
| Sphenoid ridge | 26(12) | 4(21) | 0 |
| CP angle | 25(11.5) | 3(15.7) | 2(14.3) |
| Parasagital | 19(8.7) | 2(10.5) | 2(14.3) |
| Olfactory groove | 14(6.4) | 1(5.3) | 0 |
| Parafalx | 13(6) | 1(5.3) | 1(7.1) |
| Petroclivus | 12(5.5) | 1(5.3) | 0 |
| Orbital | 7(3.2) | 0 | 0 |
| Cerebellum | 3(1.4) | 0 | 2(14.3) |
| Tentorial | 3(1.4) | 1(5.3) | 0 |
| Tuberculum sella | 4(1.8) | 0 | 0 |
| Foramen magnum | 3(1.4) | 0 | 0 |
| Anterior clenoidal | 3(1.4) | 0 | 0 |
| Cavernous sinus | 2(0.9) | 0 | 0 |
| Spinal | 16(7.3) | 0 | 0 |
| Total | 218 | 19 | 14 |
Note: In multiple meningiomas each tumor counted separately