Journal
JOURNAL OF CLINICAL MICROBIOLOGY
Volume 49, Issue 3, Pages 1071-1076Publisher
AMER SOC MICROBIOLOGY
DOI: 10.1128/JCM.01674-10
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This study compared the Aptima human papillomavirus (HPV) (AHPV; Gen-Probe Incorporated) assay, which detects E6/E7 mRNA from 14 high-risk types, the Hybrid Capture 2 HPV DNA (HC2; Qiagen Incorporated) test, and repeat cytology for their ability to detect high-grade cervical lesions (cervical intraepithelial neoplasia grade 2+ [CIN2+]) in women referred to colposcopy due to an abnormal Papanicolaou (Pap) smear. A total of 424 clinical specimens, stored in liquid-based cytology (LBC) vials at room temperature for up to 3 years, were tested by repeat cytology, the AHPV assay, and the HC2 test. Assay results were compared to each other and to histology results. The overall agreement between the AHPV assay and the HC2 test was 88.4%. The sensitivity (specificity) of cytology, the HC2 test, and the AHPV assay for the detection of CIN2+ was 84.9% (66.3%), 91.3% (61.0%), and 91.7% (75.0%) and for the detection of CIN3+ was 93.9% (54.4%), 95.7% (46.0%), and 98.2% (56.3%), respectively. Of the disease-positive specimens containing high-risk HPV (HR HPV) DNA as determined by Linear Array (Roche Diagnostics), the AHPV assay missed 3 CIN2 and 1 microfocal CIN3 specimen, while the HC2 test missed 6 CIN2, 4 CIN3, and 1 cervical carcinoma specimen. The AHPV assay had a sensitivity similar to but a specificity significantly higher (P < 0.0001) than the HC2 test for the detection of CIN2+. The AHPV assay was significantly more sensitive (P = 0.0041) and significantly more specific (P = 0.0163) than cytology for the detection of disease (CIN2+).
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