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Detection of human papillomaviruses in paraffin-embedded condylomata acuminata--comparison of immunohistochemistry, in situ hybridization, and polymerase chain reaction.

The polymerase chain reaction (PCR) is used for detection of human papillomavirus (HPV) DNA in paraffin-embedded tissue sections of condylomata acuminata. Incorporation of biotinylated nucleotides during the amplification process allows a highly sensitive, fast, and non-isotopic detection of viral DNA in a subsequent Southern dot blot. In 100% (13 of 13) of histologically confirmed condylomata, HPV-6 or -11 could be detected by polymerase chain reaction. By in situ hybridization 77% (10 of 13) and by immunohistochemistry (IHC) 69% (nine of 13) positive results were obtained. Because HPV genital infection is linked to penile and cervical dysplasia, polymerase chain reaction provides a powerful and highly sensitive tool for epidemiologic studies on sexual transmission of HPV.