Variables | Number | Percentage |
Radiological diagnosis |
|
|
Chronic sinusitis | 102 | 49.5 |
Sino nasal polyp/polyposis | 39 | 19.4 |
Aspergillosis | 6 | 2.9 |
Tumor | 5 | 2.4 |
Acute sinusitis | 3 | 1.5 |
Other diagnosis | 18 | 8.7 |
Normal CT Scan result | 52 | 25.2 |
Lesions topography |
|
|
Maxillary sinus | 153 | 74.3 |
Anterior ethmoidal sinus | 104 | 50.5 |
Frontal sinus | 90 | 43.7 |
Sphenoidal sinus | 85 | 41.3 |
Posterior ethmoidal sinus | 61 | 29.6 |
No lesion | 52 | 25.2 |
Anatomical variants |
|
|
Concha bullosa | 25 | 12.1 |
Septal deviation with bone spur | 17 | 8.3 |
Carotid protrusion | 8 | 3.9 |
AggerNassi | 4 | 1.9 |
Clinoid apophyse pneumatisation | 2 | 1 |
Dehiscence of the planum bone | 1 | 0.5 |
No anatomical variant | 157 | 76.2 |