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Screening for anal neoplasia: anal cytology - sampling, processing and reporting
Teresa M Darragh1, Barbara Winkler
1Department of Pathology and Obstetrics, UCSF Mt. Zion Medical Center, San Francisco, CA 94115, USA.
Anorectal cytology (ARC) is a valuable screening tool for detecting squamous intraepithelial lesions in high-risk populations. Proper techniques ensure optimal samples for early detection and prevention of anal cancer.
Area of Science:
- Oncology
- Cytopathology
Background:
- Anorectal cytology (ARC) is gaining acceptance for screening squamous intraepithelial lesions (SILs).
- High-risk populations require effective screening for anal cancer prevention.
Purpose of the Study:
- To highlight the importance of ARC as a screening tool.
- To emphasize the role of proper techniques in sample collection for anal cancer prevention.
Main Methods:
- Review of current practices in anorectal cytology.
- Emphasis on patient preparation, specimen collection, and processing.
Main Results:
- Optimal cytological samples are achievable with clinician attention and experience.
- Repeated interval anal cytology aids early detection of HPV-related lesions.
Conclusions:
- Anorectal cytology is a valuable tool for surveillance in high-risk individuals.
- Early detection of anal squamous epithelial lesions can prevent anal squamous cell carcinomas.
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