Table 2. Distribution of P16 and HPV positive tumors according to sites of HNSCC.
| Sites of cancer | p16+ve | HPV+ve/p16 +ve | HPV-ve/p16+ve |
|---|---|---|---|
| Oral cavity (n = 52) |
2 (3.8) |
2 (100) |
0 |
| Oropharyngeal (n = 31) |
14 (45.2) |
13 (92.9) |
1 (7.1) |
| Laryngeal (n = 50) |
1 (2.0) |
1 (100) |
0 |
| Hypopharyngeal (n = 12) |
0 | 0 | 0 |
| Others (Sinonasal) (n = 11) |
2 (18.2) |
2 (100) |
0 |
| Total =156 | 19 (12.2) |
18 (94.7) |
1 (5.3) |
*3 patients did not have p16 IHC performed (1 with hypopharynx SCC and 2 with laryngeal SCC).