High risk HPV persists after treatment of genital papillomavirus infection but not after treatment of cervical intraepithelial neoplasia
Background. Knowledge about the natural course of HPV infection is still limited. In this study we investigated the presence of HPV DNA after treatment and clinical clearance of infection. Methods. Eighty‐two women treated for genital HPV infection at the STD clinic in Uppsala were consecutively sel...
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| Main Authors: | , , , |
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| Format: | Article |
| Language: | English |
| Published: |
Wiley
1997-02-01
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| Series: | Acta Obstetricia et Gynecologica Scandinavica |
| Subjects: | |
| Online Access: | https://doi.org/10.3109/00016349709050070 |
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| Summary: | Background. Knowledge about the natural course of HPV infection is still limited. In this study we investigated the presence of HPV DNA after treatment and clinical clearance of infection. Methods. Eighty‐two women treated for genital HPV infection at the STD clinic in Uppsala were consecutively selected for the study. After treatment with podophyllotoxin, and in some cases laser vaporization, a cell sample was taken at the follow‐up visit 6–12 months after clinical clearance of the lesions as evaluated by colposcopy. Samples were analysed with PCR to detect HPV DNA. As a reference group, women treated for cervical intraepithelial neoplasia (ON) with laser surgery, either with cone biopsy or vaporization, were followed‐up after 6 months for the presence of HPV DNA. Results. Six to 12 months after clinical clearance of HPV infection, 39 (48%) of the women showed detectable HPV DNA in cell samples from the cervix. Of these, 26 (67%) were found to harbor high risk HPV. six (15%) low risk, and seven (18%) either had more than one HPV type or HPV that could not be classified. All but three of the women treated for ON (90%) were negative for HPV DNA. Conclusion. After clinical clearance of genital HPV infection half of the women had detectable HPV DNA. This does not necessarily imply that transmission to a new partner may occur, but indicates this possibility. Only 10% of the ON treated women harbored HPV DNA in the cell samples in spite of showing high risk HPV infection before treatment. |
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| ISSN: | 0001-6349 1600-0412 |