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Indian J Sex Transm Dis AIDS. 2013 Jul;34(2):102-6. doi: 10.4103/0253-7184.120540.

Value of human papillomavirus typing for detection of anal cytological abnormalities.

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1
Pathological Anatomy, Center of University Hospital of Brasilia, DF, Brazil.

Abstract

PURPOSE:

The objective of this study was to evaluate anal cytology and human papillomavirus (HPV) typing in patients with human immunodeficiency virus infection.

MATERIALS AND METHODS:

Anal samples were collected from 61 patients (44 men and 17 women) and analyzed by PapilloCheck test and conventional cytology.

RESULTS:

Of all anal samples, 37.7% had cytological abnormalities, 47.54% were negative and 14.75% were unsatisfactory. High-risk HPV, multiple high-risk HPV and HPV 16 infection was detected in 91.13%, 78.26% and 47.82% of the samples with cytological abnormalities and in 47.54%, 6.89% and 3.44% of the negative samples, respectively. High-risk HPV infection was significantly more frequent in anal samples with cytological abnormalities than in negative samples (P = 0.0005, Fisher's test), particularly multiple high-risk HPV infection (P < 0.0001) and HPV 16 infection (P = 0.0002).

CONCLUSIONS:

High-risk HPV, multiple high-risk HPV and HPV 16 infections are significantly associated with anal cytological abnormalities. Furthermore, the frequency of HPV infection in anal cytological samples suggests that high-risk HPV detection has high sensitivity, but low specificity for detection of anal cytological abnormalities, but multiple high-risk HPV typing and HPV 16 typing have a lower sensitivity and high specificity. Results suggest that HPV typing may be useful as an adjunct to cytology to screen patients for high-resolution anoscopy and biopsy.

KEYWORDS:

Anal; cytology; human immunodeficiency virus; human papillomavirus; human papillomavirus typing

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