| Total no. studied | Result | |
|---|---|---|
| 1. Types of pneumatization (Fig. 1) | 60 |
Conchal- 2 (3.3%), presellar- 18 (30%) Sellar- 40 (66.7%) |
| 2. Pterygoid process pneumatization (Fig. 2) | 120 sides | 30 (25%) |
| 3. Septation (Fig. 3) | 60 |
Single- 26 (43.3%), multiple- 18 (30%) None- 16 (26.7%) Septa attached to carotid artery- 14 (26.7%), to opticnerve- 20 (33.3%) To both carotid artery and optic nerve- 6 (10%) |
| 4. Onodi cell (Fig. 4) | 60 | 22 (36.7%) |
| 5. Anterior clinoid process pneumatization (Fig. 5) | 120 sides |
Total- 14 (13.3%) Unilateral- 6 (5%) Bilateral- 4 (3.3%) |
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