The Significance of Human Papilloma Virus Atypia (‘Wart Virus Infection’) Found Alone on Cervical Cytology Screening

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Abstract
A series of 429 patients has been analysed in which the cytology smear report suggested human papillomavirus (HPV) infection alone. All patients were examined colposcopically and in 58 (13.6%) associated histologically confirmed cervical intraepithelial neoplasia (CIN) was demonstrated. CIN subsequently developed in an additional 10% of those patients who returned for follow-up over an ensuing 3-year period. Follow-up with repeat cervical cytology smears alone was unreliable as 4% of patients even with normal repeat smears has histologically proven CIN and a further 4% of these patients subsequently developed CIN. Colposcopy is recommended in all patients whose cytology smear shows HPV infection.