Table 5. Distribution of malignant neoplasms of the nose and PNS.
PNS: paranasal sinus
| Lesion | No. of cases by location | Total | No. of cases by age | Total | ||||||
| Nose | PNS | 0-20 years | 21-40 years | 41-60 years | >60 years | |||||
| M | F | M | F | |||||||
| Adenoid cystic carcinoma | 3 | 4 | 2 | 2 | 11 | - | 1 | 3 | 7 | 11 (02.77%) |
| Squamous cell carcinoma | 3 | 3 | 9 | 3 | 18 | - | - | 7 | 11 | 18 (04.54%) |
| Sinonasal undifferentiated carcinoma | 1 | - | 3 | - | 04 | - | 1 | 3 | - | 04 (1.01%) |
| Lymphoma | 1 | 1 | 3 | - | 05 | - | - | 3 | 2 | 05 (01.26%) |
| Olfactory neuroblastoma | 3 | - | 3 | 1 | 07 | - | 4 | 2 | 1 | 07 (01.76%) |
| High-grade sarcoma | 1 | - | 2 | - | 03 | - | 2 | 1 | - | 03 (0.75%) |
| Malignant melanoma | 1 | 1 | - | - | 02 | - | - | - | 2 | 02 (0.54%) |
| Non-salivary adenocarcinoma (intestinal type) | 1 | 1 | - | - | 02 | 1 | 1 | - | 02 (0.54%) | |
| Basal cell carcinoma | 1 | 2 | - | - | 03 | - | - | 1 | 2 | 03 (0.75%) |
| Total | 15 | 12 | 22 | 06 | 55 | 01 | 09 | 20 | 25 | 55 |