Table 1.
Basic conditions and clinical presentation of included patients.
| No. | Gender | Age | Location | Symptoms |
|---|---|---|---|---|
| 1 | Male | 64 | External auditory canal | Intra-aural occlusion in the right ear with hearing loss for 5 years |
| 2 | Female | 16 | Lacrimal gland | Left orbital mass for 3 months |
| 3 | Female | 68 | Sphenoid sinus | Dizzy headache with decreased vision in left eye for 2 weeks |
| 4 | Male | 62 | Pharynx | Pharyngeal discomfort for 3 years |
| 5 | Male | 38 | Sinus and nasal cavity | Right palate mass for 2 weeks |
| 6 | Female | 59 | Sinus and nasal cavity | Left nasal mass for 2 years |
| 7 | Female | 45 | Submandibular gland | Left submandibular repeated pain for 1 month |
| 8 | Female | 65 | Parotid gland | Left ear pain and tinnitus for 1 year |
| 9 | Male | 76 | Paranasal sinus | Right maxillofacial numbness for 2 months |
| 10 | Female | 63 | Submandibular gland | Painless right mandibular mass for 2 years |
| 11 | Male | 63 | Sinus and nasal cavity | Right-sided facial itching with paroxysmal pain for 4 months |
| 12 | Male | 40 | Sinus and nasal cavity | Right side nasal obstruction with rhinorrhoea for 10 days |
| 13 | Female | 54 | Sinus and nasal cavity | Left side nasal obstruction with recurrent bleeding for 1 week |
| 14 | Male | 68 | Parotid gland | Post auricular mass on the left side for 1 year |
| 15 | Male | 70 | Sinus and nasal cavity | Right-sided nasal obstruction for 1 year |
| 16 | Female | 58 | Sphenoid sinus | Ear swelling with nasal congestion for 2 years, aggravated for over 2 months |