Table 1.
Summary of HPV type and chromogenic in situ hybridization (CISH) and p16INK4a immunohistocehmical (IHC) staining patterns in tonsillar squamous cell carcinoma (TSCC) specimens
| TSCC patients (n = 30) | HPV Type | CISH staining Pattern | p16INK4a IHC staining Pattern |
|---|---|---|---|
| 1 (3.3%) | 11 | Negative | Patchy |
| 12 (40%) | 16 | Punctate | Diffuse |
| 2 (6.7%) | 16 | Punctate | Negative |
| 3 (10%) | 16 | Punctate and diffuse | Diffuse |
| 1 (3.3%) | 16 | Negative | Diffuse |
| 2 (6.7%) | 16 | Punctate | Not done |
| 1 (3.3%) | 16 | Negative | Not done |
| 1 (3.3%) | 18 | Punctate and Diffuse | Diffuse |
| 2 (6.7%) | 52 | Punctate | Diffuse |
| 1 (3.3%) | Negative | Not done | Diffuse |
| 1 (3.3%) | Negative | Not done | Patchy |
| 2 (6.7%) | Negative | Not done | Negative |
| 1 (3.3%) | Negative | Not done | Not done |