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Human papillomavirus (HPV) E6/E7 mRNA as a triage test after detection of HPV 16 and HPV 18 DNA
Authors:Sonia Perez Castro  Amparo Iñarrea Fernández  María José Lamas González  María Teresa Sarán Diez  Ana Cid Lama  María Jesús Alvarez Martín  Mónica Pato Mosquera  Isabel López‐Miragaya  Nuria Estévez  Julio Torres Piñón  María Oña Navarro
Affiliation:1. Department of Microbiology, University Hospital of Vigo, Vigo, Spain;2. Department of Gynecology, University Hospital of Vigo, Vigo, Spain;3. Department of Microbiology, University Hospital of Ourense, Ourense, Spain;4. Department of Pathology, University Hospital of Vigo, Vigo, Spain;5. Department of Gynecology, University Hospital of Ourense, Ourense, Spain;6. Department of Virology, University Hospital of Asturias, Oviedo, Spain
Abstract:
High‐risk human papillomavirus (HPV) DNA detection provides high sensitivity but low specificity for moderate‐grade cervical intraepithelial neoplasia or worse histological identification. A prospective study evaluated mRNA testing efficacy for predicting this histological diagnosis in case of HPV 16 and/or 18 DNA detection. A total of 165 endocervical samples harboring HPV 16 and/or 18 DNA were tested with NucliSENS‐EasyQ® HPV E6/E7‐mRNA‐assay (Biomerieux, Marcy l´Etoile, France). Women with cytological alterations were referred to colposcopy (n = 111). Moderate‐grade cervical intraepithelial neoplasia or worse was diagnosed in 25.8% of women presenting atypical squamous cells of undetermined significance or low‐grade squamous intraepithelial lesions and in 89.8% of women with high‐grade squamous intraepithelial lesions. mRNA sensitivity was 81.3% and 84.1%, respectively. Specificity was 52.2%, and 80.0%, respectively. Negative predictive value (NPV) was 88.9% in undetermined or low‐grade squamous lesions. Positive predictive value (PPV) was 97.4% in high‐grade squamous lesions. mRNA reduced colposcopies by 44.3% in undetermined or low‐grade squamous lesions. Direct treatment of mRNA‐positive cases reduced 77.5% of colposcopies in high‐grade squamous lesions. Women without cytological alterations were followed for 18 months (n = 35), and moderate‐grade cervical intraepithelial neoplasia or worse was diagnosed in 34.3%; mRNA sensitivity and specificity were 83.3% and 86.9%, respectively. PPV and NPV were 76.9% and 90.9%, respectively for predicting moderate‐grade cervical intraepithelial neoplasia or worse in 18 months. mRNA reduced the number of visits for follow‐up in 62.2%. In conclusion, NucliSENS‐EasyQ® HPV E6/E7‐mRNA‐assay (Biomerieux) can serve as a triage test in case of HPV 16 and/or 18 DNA detection. J. Med. Virol. 85: 1063–1068, 2013. © 2013 Wiley Periodicals, Inc.
Keywords:HPV 16 18  mRNA tests  NucliSENS EasyQ  moderate‐grade cervical intraepithelial neoplasia or worse  cervical cancer screening
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