
The present study aimed to validate ThermoFisher's (Thermo Fisher Scientific, Runcorn, Cheshire, UK) Papspin (PS) for human papillomavirus (HPV) testing by in-house PCR and by the Hybrid Capture II (HC2) assay and to compare the results with those obtained using Specimen Transport Medium (STM) (Digene Diagnostics, Gaithersburg, MD, USA). Forty-five patients underwent conization for known lesions ranging from atypical squamous cells of undetermined significance (ASC-US) with high-risk HPV (hr-HPV) to high-grade squamous intraepithelial lesion (H-SIL/CIN2+) or adenocarcinoma. Two negative controls were included: one patient with post-menopausal bleeding and another from whom an inflammatory cervical sample was taken without conization. Prior to conization, a gynaecologist collected two cervical samples, fixed in PS or STM, from each patient. All but four cases were tested for panHPV (GP5+/GP6+) and specific hr-HPV subtypes (HPV16, 18, 31,33) by PCR using both media and all were processed for HC2. This study demonstrates that both HPV detection techniques work with PS, showing a specificity of 78.3% for HC2 and 92.8% for PCR compared to 83.8% for HC2 and 92% for PCR using STM. The efficacy of detecting HPV in PS-preserved H-SIL/CIN2+ was very high (96% for PCR using PS and 86% for HC2 using PS), which was in the same range as for PCR using STM, and which was only slightly lower than for HC2 using STM (96% and 89%, respectively). The differences were not statistically significant. It is concluded that ThermoFisher's PS is a valid liquid-based cytology medium for cervical samples, convenient for HPV testing by PCR with GP5+/GP6+ primers and by the HC2 assay.
Microbiology (medical), Adult, HPV, Oncologie, papspin, Cervix Uteri, Sciences de la santé humaine, Immunologie & maladie infectieuse, Polymerase Chain Reaction, Sensitivity and Specificity, Specimen Handling, hybrid capture II, conization, Virology, Humans, Immunology & infectious disease, Human health sciences, Papillomaviridae, Aged, DNA Primers, Papillomavirus Infections, Nucleic Acid Hybridization, Middle Aged, PCR, Infectious Diseases, Oncology, Female, thermofisher, Cervical sample
Microbiology (medical), Adult, HPV, Oncologie, papspin, Cervix Uteri, Sciences de la santé humaine, Immunologie & maladie infectieuse, Polymerase Chain Reaction, Sensitivity and Specificity, Specimen Handling, hybrid capture II, conization, Virology, Humans, Immunology & infectious disease, Human health sciences, Papillomaviridae, Aged, DNA Primers, Papillomavirus Infections, Nucleic Acid Hybridization, Middle Aged, PCR, Infectious Diseases, Oncology, Female, thermofisher, Cervical sample
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