| n | % | |
Malignant tumors | 32 | 52.5 | |
| Larynx Hypopharynx Cavum Oropharynx Mandibule | 21 5 3 2 1 | 20.0 4.8 2.8 1.9 0.9 |
Benign tumors (pharynx and face) | 3 | 4.9 | |
Traumatisms | 10 | 16.4 | |
Extensive cervical cellulitis | 07 | 11.5 | |
Prolonged ventilation | 06 | 9.8 | |
Thyroid tumors | 02 | 3.3 | |
Laryngeal paralysis | 01 | 1.6 | |