Diagnosis

Case number

Nasal polyposis

276 (23%)

Sinusitis

228 (16.7%)

Antrochoanal polyp

83 (3%)

Esfenochoanal polyp

2 (0.26%)

Maxillary sinus cyst

11 (1.3%)

Cyst of rhinopharynx

8 (0.39%)

Mucocele

30 (1.4%)

Mucopiocele

11 (0.13%)

Sinus osteoma

12 (0.26%)

Concha bullosa

6 (0.78%)

Nasal synechia

13 (0.39%)

Nostril hemangioma

14 (0.52%)

CSF

18 (1.57%)

Rinolito

4 (0.52%)

Inverted papiloma

15 (0.65%)

Nasosinusal malignancy

13 (1.7%)

Tumor of the clivus

5 (0.26%)

Epistaxis

8 (0.39%)

Choanal atresia

4 (0.52%)

Sphenoid sinusitis

2 (0.26%)