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Revista Colombiana de Obstetricia y Ginecología

Print version ISSN 0034-7434On-line version ISSN 2463-0225


SANCHEZ-CORREDOR., Cristhiam David et al. Prevalence of high-risk human papilloma virus infection and abnormal cytology of the anal transformation zone in women with cervical dysplasia. Bogotá, Colombia, 2017-2019. Rev Colomb Obstet Ginecol [online]. 2020, vol.71, n.4, pp.345-355. ISSN 0034-7434.


To determine the prevalence of anal infection caused by high risk human papilloma virus (HR-HPV) and of abnormal anal cytology in women with confirmed cervical dysplasia.

Materials and methods:

Cross sectional study that included patients between 30 and 65 years of age with a new diagnosis of cervical dysplasia by histopathology attended in two lower genital tract colposcopy and pathology units (one public and one private institution), conducted between December 2017 and April 2019. Women with human immunodeficiency virus (HIV) infection, immune compromise (use of steroids, transplant, chemo therapy), pregnancy or anorectal malformations were excluded. Consecutive sampling. Socio demographic variables, intercourse type, degree of cervical dysplasia, positive results of HR HPV Polymerase Chain Reaction test in anal canal and HR - HPV type indentified (16-18 or others) were evaluated. Descriptive statistics were used.


Of 188 candidates, 100 were included in the analysis. A 32 % prevalence of high-risk HPV infection and a 2.8 % prevalence of abnormal cytology in the anal canal (ASCUS) were found. Of the HR-HPV infections in the anal canal, 68.8 % corresponded to HR-HPV genotypes different from 16 or 18.


Prevalence of HR HPV infection in women with lower genital tract dysplasia was 32%. It is important to determine the usefulness of screening for anal mucosa compromise by HPV virus associated with a high risk of cancer in women with cervical dysplasia. Studies are needed on the prognosis of anal HR-HPV infection in women with cervical dysplasia.

Keywords : Human papilloma virus; cytology;anal canal; cervical dysplasia; diagnosis; prevalence..

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