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Cancer. 2006 Dec 25;108(6):468-74.

Human papillomavirus testing using hybrid capture II with SurePath collection: initial evaluation and longitudinal data provide clinical validation for this method.

Author information

  • 1Division of Cytopathology, Department of Pathology, Massachusetts General Hospital, Boston, MA 02114, USA. vko@partners.org

Abstract

BACKGROUND:

Testing for human papillomavirus (HPV) is an integral part of equivocal cervical cytology triage. Clinical validation of non-FDA (Food and Drug Administration)-approved methods is therefore important because of the high volume of such tests and the implications for missed high-grade lesions if test performance is not optimal.

METHODS:

A preinitiation study and 17 months of follow-up data using Hybrid Capture II (HC II) HPV detection with SurePath (SP) sample collection were analyzed. Results of HPV tests on abnormal cytology samples were collected and compared with follow-up results. HPV-positive rates were determined in cases of low-grade squamous intraepithelial lesion (LSIL) and high-grade squamous intraepithelial lesion (HSIL), and follow-up rates of cervical intraepithelial neoplasia (CIN) were determined in HPV-positive and -negative cases of atypical squamous cells of unknown significance (ASC-US). Rates were compared with published data using FDA-validated methods.

RESULTS:

The preinitiation study showed the test method to be 100% sensitive for the detection of LSIL (20 cases) and HSIL (8). The ASC-US follow-up study (2319 cases with 625 having biopsy results) showed that the rate of CIN III+ in HPV +/- cases was 7.8%/1.4%, and of CIN II+ was 17.5%/4.3%, respectively. The positive predictive values/negative predictive values (PPV/NPVs) (CIN II+) for the test were 17.5%/95.7%, respectively.

CONCLUSIONS:

Published FDA-validated HPV testing follow-up data show that the expected rates of CIN III+ and CIN II+ in the HPV-negative ASC-US population are 1.4% and 5%, respectively, with PPV/NPVs (CIN II+) of 20%/99%, respectively. By comparison, the present data using HC II with SP show strong similarity, indicating clinical validity for the use of this method.

PMID:
17091508
[PubMed - indexed for MEDLINE]
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