| Anatomic variations | Bilateral | Right side | Left side | Total |
| Pneumatizaton | n (%) | n (%) | n (%) | n (%) |
| Lesser wing | 12 (2.7) | 1 (0.2) | 2 (0.4) | 15 (3.3) |
| Great wing | 14 (3.1) | 3 (0.7) | 4 (0.9) | 21 (4.6) |
| Anterior Clinoid Process | 16 (3.6) | 9 (2.0) | 7 (1.5) | 32 (7.1) |
| Pterygoid Process | 28 (6.2) | - | 5 (1.1) | 33 (7.3) |
| Protrusion |
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| Carotid Canal | 208 (46.3) | 4 (0.9) | 5 (1.1) | 217 (48.3) |
| Optic Canal | 44 (9.8) | 7 (1.5) | 8 (1.8) | 59 (13.1) |
| Maxillary Nerve | 72 (16) | 3 (0.7) | 6 (1.3) | 81 (18) |
| Vidian Nerve | 19 (8.4) | 0 | 2 (0.4) | 21 (9.5) |