Figure 2. HPV genotype 6 positive tongue SCC.

EBER RNA expression was localized in carcinoma cell tract (a) in a patchy staining pattern and in infiltrating nests (b) (purple staining, arrowheads). LMP-1 was expressed simultaneously along the invasion front, especially in a thin invading tract (c, d immunohistochemistry, brown staining). (a-c Original magnification 200x, d:100x).