| Variables | Effective | Frequency (%) |
| Consultation period (in months) |
|
|
| <12 | 2 | 4.5 |
| [12 - 18] | 30 | 68.2 |
| [18 - 24] | 6 | 13.6 |
| ≥24 | 6 | 13.6 |
| Tumor location |
|
|
| Nasal syndrom | 44 | 100.0 |
| Ocular syndrom | 15 | 34.1 |