Table 2 Ancillary immunohistochemical and HPV testing results.
Case # | Anatomic site | p16 | HPV ISH | HPV PCR | CK7 | CK20 | CDX2 | Pax8 | ER | PR |
|---|---|---|---|---|---|---|---|---|---|---|
1 | Vagina | + (Diffuse) | − | + (HPV 31) | NP | NP | NP | NP | − | − |
1R | Vagina | NP | NP | NP | NP | NP | NP | NP | NP | NP |
2 | Anorectum | + (Diffuse) | + | NP | + | − | + (Focal) | − | − | − |
3 | Anorectum | + (Diffuse) | NP | + (HPV 18) | + | − | + (Focal) | − | NP | NP |
4 | Vulva | + (Diffuse) | + (HPV 16) | NP | + | + (Focal) | + (Focal) | − | − | NP |
5 | Anorectum | + (Diffuse) | NP | NP | NP | NP | NP | NP | NP | NP |
6 | Vulva | + (Diffuse) | NP | NP | + | NP | NP | NP | NP | NP |
7 | Vagina | + (Diffuse) | NP | + (HPV 16) | + | − | + (Focal) | + | − | NP |
8 | Vagina | + (Diffuse) | NP | + (HPV 18) | + | + (Focal) | + | NP | − | − |
9 | Vagina | + (Diffuse) | NP | + (Cocktail) | + | − | + (Focal) | NP | NP | NP |
