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