Fig. 1: Digital papillary adenocarcinoma from the right 5th finger of a 37-year-old man (Table 1, case 7).

A Nodulocystic tumor in dermis. B The tumor displays papillary and cribriform growth. C The tumor also contains solid areas with ducts surrounded by myoepithelial cells. D The tumor is diffusely positive for HPV42 by in situ hybridization.