Topography of affections | Effective | Frequency |
Otologic | 1270 | 66.4 |
Nasal sinus | 320 | 16.6 |
Oral | 18 | 1.1 |
Pharyngeal-laryngeal | 236 | 12.4 |
Esophageal | 06 | 0.3 |
Other Head and Neck locations | 61 | 3.2 |
Total | 1911 | 100 |