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Etiology of CSF leaks.
| Etiology | Number of cases (%) |
|---|---|
| Spontaneous | 30 (48.4) |
| Traumatic | 15 (24.2) |
| Iatrogenic/postoperative (FESS) | 5 (8.1) |
| Benign tumor (osteoma, mucocele, and inverted papilloma) | 5 (8.1) |
| Meningocele | 3 (4.8) |
| Iatrogenic/postoperative (rhinoseptoplasty) | 2 (3.2) |
| Congenital (meningoencephalocele of Sternberg's canal) | 2 (3.2) |
