High detection rate of human papillomavirus in anal brushings from women attending a proctology clinic - 04/08/12
, Carolina Scagnolari a, Carla Selvaggi a, Fabiana Cannella a, Elisabetta Riva c, Alessio Impagnatiello b, Gloria Bernardi b, Antonio Ciardi b, Cosima Maria Moschella b, Guido Antonelli a, Marileda Indinnimeo b
Corresponding author. Tel.: +39 06 4474125; fax: +39 06 44741236.Summary |
Objectives |
To study human papillomavirus (HPV) anal infection in anal brushings from women attending a proctology clinic, and compare results with those obtained from paired cervical brushings.
Methods |
Women attending a university hospital proctology clinic for anal conditions or as part of a screening campaign, were enrolled consecutively, excluding those reporting previous HPV-related pathologies. HPV genotypes in anal and cervical brushings were determined by sequencing and, in most cases, type-specific viral loads were measured.
Results |
HPV DNA was detected in 28.3% of anal brushings, with 47.4% of HPV genotypes being high risk. Cervical HPV detection was at almost the same rate but HPV status was discordant in about half those women with at least one positive specimen. Abnormal cytological findings were more common in anal than in cervical samples, in particular in the proctology outpatients.
Viral load measurements excluded the existence of a multiple infection with genotypes detected in discordant anal- and cervical-paired samples and showed a significant correlation between anal and cervical paired concordant samples.
Conclusions |
The high rate of HPV detection in anal brushings that is not usually related to HPV positivity in cervical brushings could provide support for offering HPV DNA tests to women attending proctology clinics.
Le texte complet de cet article est disponible en PDF.Keywords : Human papillomavirus, Anal HPV infection, Cervical HPV infection, HPV viral load, Anal cytology
Plan
Vol 65 - N° 3
P. 255-261 - septembre 2012 Retour au numéro
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