The presence of HPV types 6/11, 13, 16 and 33 in bowenoid papulosis in an HIV-positive male, demonstrated by DNA in situ hybridization.

A perianal bowenoid papulosis was examined for the presence of HPV types 2, 6, 11, 13, 16, 18, 32 and 33 by DNA in situ hybridization. Positive signals were seen for HPV types 6/11, 13, 16 and 33. HPV type 13 is strongly related to oral focal epithelial hyperplasia and has not been reported outside the oral cavity before.