Table 1.
Patient and tumour characteristics
| Characteristics | Number (n = 43) | Percent |
|---|---|---|
| Gender | ||
| Male | 25 | 60 |
| Female | 18 | 40 |
| Tobacco use at diagnosis | ||
| Ex smoker | 8 | 19 |
| Current smoker | 15 | 35 |
| No smoker | 7 | 16 |
| Not documented | 13 | 30 |
| Tumour localisation | ||
| Maxillary sinus | 20 | 47 |
| Ethmoid sinus | 1 | 2 |
| Nasal cavity | 22 | 51 |
| Nasal vestibule | 10 | 23 |
| Nasal septum | 3 | 7 |
| Floor and lateral wall | 9 | 21 |
| T stage | ||
| T0 | 0 | 0 |
| T1 | 6 | 14 |
| T2 | 6 | 14 |
| T3 | 2 | 5 |
| T4a | 23 | 53 |
| T4b | 6 | 14 |
| N stage | ||
| N0 | 38 | 88 |
| N1 | 4 | 9 |
| N2a | 0 | 0 |
| N2b | 0 | 0 |
| N2c | 1 | 3 |
| Stage group (AJCC 2010) | ||
| I | 6 | 14 |
| II | 6 | 14 |
| III | 2 | 5 |
| IVa | 23 | 53 |
| IVb | 6 | 14 |
| Histopathology | ||
| SCC | 43 | 100 |
| Histopathological differentiation | ||
| Well differentiated | 7 | 16 |
| Moderately differentiated | 18 | 40 |
| Poorly differentiated | 10 | 23 |
| Undifferentiated | 3 | 7 |
| Not documented | 6 | 14 |
| Nodal involvement | ||
| Yes | 3 | 7 |
| No | 40 | 93 |
| Nodal ECE | ||
| Yes | 1 | 20 |
| No | 4 | 80 |
| Tumor invasion | ||
| Cranial | 2 | 5 |
| Orbital | 2 | 5 |
| Skin | 7 | 16 |