Transcriptionally Active Human Papillomavirus in Male Genital Lichen Sclerosus, Penile Intraepithelial Neoplasia, and Penile Squamous Cell Carcinoma
2024

HPV and Male Genital Conditions

Sample size: 129 publication 10 minutes Evidence: high

Author Information

Author(s): Kravvas Georgios, Xie Boyu, Haider Aiman, Millar Michael, Alnajjar Hussain M, Freeman Alex, Muneer Asif, Bunker Christopher B, Ahmed Aamir

Primary Institution: University College London Hospitals NHS Foundation Trust

Hypothesis

The study investigates the role of transcriptionally active human papillomavirus (HPV) in male genital lichen sclerosus, penile intraepithelial neoplasia, and penile squamous cell carcinoma.

Conclusion

Transcriptionally active HPV is unlikely to be involved in male genital lichen sclerosus and differentiated penile intraepithelial neoplasia, but is significant in undifferentiated penile intraepithelial neoplasia and usual penile squamous cell carcinoma.

Supporting Evidence

  • High-risk HPV was found in 77% of undifferentiated penile intraepithelial neoplasia samples.
  • High-risk HPV was present in 46% of usual penile squamous cell carcinoma samples.
  • Low-risk HPV was rarely detected in the samples.
  • Strong p16 staining showed 96.15% sensitivity and 100% specificity for high-risk HPV.

Takeaway

This study looked at how a virus called HPV affects certain skin conditions in men, finding that it plays a big role in some but not in others.

Methodology

The study used tissue arrays from various conditions and performed staining for HPV subtypes and p16 expression, followed by statistical analysis.

Potential Biases

Potential bias in sample selection and the interpretation of staining results.

Limitations

The study may not account for all HPV types and relies on specific RNA detection methods that may miss dormant infections.

Participant Demographics

The study included archival tissue samples from 114 patients with various conditions, including male genital lichen sclerosus, differentiated and undifferentiated penile intraepithelial neoplasia, and penile squamous cell carcinoma.

Statistical Information

P-Value

0.001

Confidence Interval

95% CI = 9.2–10.8

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1016/j.xjidi.2024.100320

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