Elements of an anal dysplasia screening program

Naomi Jay1

  • 1University of California San Francisco Anal Dysplasia Clinic and HPV Research Trials, San Francisco, USA.

Insights

Anal cancer screening can prevent cancer development in high-risk groups, particularly HIV-infected men who have sex with men (MSM). Early detection of high-grade anal intraepithelial neoplasia (HGAIN) through adapted cervical cancer screening tools is crucial.

Area of Science:

  • Oncology
  • Infectious Diseases
  • Public Health

Background:

  • HIV-infected men who have sex with men (MSM) have a significantly higher incidence of anal cancer and its precursor, high-grade anal intraepithelial neoplasia (HGAIN).
  • Other immunocompromised populations also face increased risk for these conditions.
  • Anal cancer screening programs, though not yet standard care, offer a potential avenue for prevention.

Purpose of the Study:

  • To discuss procedures for anal cancer screening.
  • To highlight the importance of early detection and treatment of HGAIN to prevent anal cancer.
  • To inform about the adaptation of cervical cancer screening tools for anal conditions.

Main Methods:

  • Review of established and adapted screening tools for anal HGAIN.
  • Discussion of procedures including cytology, digital anal rectal examinations, high-resolution anoscopy, and biopsy.
  • Consideration of resource availability for implementing screening programs.

Main Results:

  • Cervical cancer screening tools have been successfully adapted and validated for anal HGAIN screening, diagnosis, and treatment.
  • Anal cancer screening programs have existed for over a decade, demonstrating feasibility.
  • Implementation success depends on community resources.

Conclusions:

  • Anal cancer screening holds promise for preventing cancer in high-risk populations, mirroring successes in cervical cancer prevention.
  • Integration of screening procedures requires careful consideration of local resources.
  • Further adoption of anal cancer screening programs is recommended.

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