Table 3 Tumor primary sites
Primary site | n | % |
|---|---|---|
Nasal cavity | 6455 | 46.1% |
Middle ear | 439 | 3.1% |
Maxillary sinus | 4449 | 31.8% |
Ethmoid sinus | 1205 | 8.6% |
Frontal sinus | 152 | 1.1% |
Sphenoid sinus | 442 | 3.2% |
Overlapping lesion of accessory sinuses | 281 | 2.0% |
Accessory sinus, NOS | 570 | 4.1% |