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Acta Obstet Gynecol Scand. 2007;86(1):16-21.

Accuracy of HPV testing of vaginal smear obtained with a novel self-sampling device.

Author information

1
Department of Genetics and Pathology, University Hospital of Uppsala, Sweden.

Abstract

BACKGROUND:

Most of women diagnosed as having cervical cancer have not participated in organized cytological screening. Aim. A study was conducted to evaluate the accuracy of human papilloma virus testing by self-collected vaginal samples in comparison to regular cytological screening. The agreement of hybrid capture 2 assay and polymerase chain reaction assay for detection of human papilloma virus DNA in self-collected vaginal samples and clinician-obtained cervical smears was investigated.

METHOD:

Forty-three women aged 23-58 years admitted for further examination due to previous positive cytology in the organized screening participated in self-collecting of vaginal samples with a novel self-sampling device. During the visit a clinician also collected a cervical smear using a cytobrush. The vaginal samples collected with the self-sampling device were analyzed for high-risk human papilloma virus with the hybrid capture 2 assay technique and the cervical smears were Pap-stained, examined cytologically and after that reanalyzed for human papilloma virus DNA using a polymerase chain reaction assay.

RESULT:

The vaginal samples were positive for high-risk human papilloma virus in 37% of the cases using hybrid capture 2 assay. Twelve of the 43 Pap smears showed positive cytology (ASCUS-CIN 3), of which 4 showed CIN 2-3. When polymerase chain reaction assay was performed, human papilloma virus DNA was detected in 40% of the glass slides. The agreement between cytology and the two human papilloma virus testing techniques was 67-74% (kappa 0.27-0.45) and the agreement between the two human papilloma virus tests was 70% (kappa 0.36).

CONCLUSION:

Testing for high-risk human papilloma virus can identify more women at risk of developing cervical cancer than cytology irrespective of the sampling method. Furthermore, offering a self-sampling device for collection of vaginal smear seems to be a useful screening tool for cervical cancer among women not responding to an invitation for smear sampling.

PMID:
17230283
DOI:
10.1080/00016340601033667
[Indexed for MEDLINE]

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