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|Type:||Artigo de periódico|
|Title:||Correlation between histological criteria and human papillomavirus presence based on PCR assay in cervical biopsies|
|Abstract:||The aim was to correlate histological findings in cervix lesions to human papillomavirus (HPV), as detected by polymerase chain reaction (PCR). One hundred and seven women with atypical Pap smear were submitted to colposcopic examination, and suspicious images were biopsied. The PCR assay was performed with the primers MY09/11 and GP05/06+ and, as control, the beta-globin gene was amplified. The morphological findings were correlated to HPV positivity: parakeratosis, acanthosis, koilocytotic atypia (KA), binucleation, dyskeratosis, and number of mitoses. From 107 patients, 61 biopsies were taken: 11 chronic cervicitis (CC), 36 cervical intraepithelial neoplasia (CIN) (13 CIN I; 10 CIN II; 13 CIN III), and 14 suggestive for HPV (SHPV). DNA extraction was not possible in eight cases. HPV was found in 35% CC, 77% CIN, and 64% SHPV. The analysis did not indicate any morphological criteria strongly related to HPV. The findings with highest sensitivity for HPV were KA (88.89%) and binucleation (75%), but with low specificity of 29.41 and 52.94%, respectively. The higher predictive positive values (PV+) for HPV were also KA (72.73%) and binucleation (77.14%). Considering KA, dyskeratosis and binucleation together, PV+ was 72.41%. Conclusion: Although indicative, none of the studied morphological criteria was always related to PCR virus detection, denoting some limitations for histological diagnosis.|
|Editor:||Blackwell Publishing Inc|
|Appears in Collections:||Unicamp - Artigos e Outros Documentos|
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