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  • Title: Association between HPV types and species groups and cervical neoplasia from a high-risk area for cervical cancer, Goiânia, Brazil.
    Author: Ribeiro AA, Figueiredo Alves RR, Costa MC, Villa LL, Zeferino LC, Mauricette Derchain SF, Dos Santos Carneiro MA, Rabelo-Santos SH.
    Journal: Int J Gynecol Pathol; 2011 May; 30(3):288-94. PubMed ID: 21464724.
    Abstract:
    This study was designed to evaluate the effect of single or multiple-human papillomavirus (HPV) infection and phylogenetic groups on the prevalence and severity of cervical intraepithelial neoplasia (CIN) in women undergoing colposcopy after an abnormal cervical smear. Colposcopy was performed in 198 cases and biopsy was performed in 193 patients. All specimens were tested for 27 HPV genotypes using the Roche polymerase chain reaction reverse line blot assay. The overall prevalence of HPV infection in women with an abnormal cervical smear was 86% (171 of 198). The prevalence of HPV 16 in high-grade CIN (2/3) was 52% (40 of 76), being detected in 88.8% of cases (8 of 9) of invasive carcinoma. The prevalence of HPV types 31 and 35 in high-grade CIN was 10.5% (8 of 76) and 6.6% (5 of 76), respectively. Single or multiple-type infection involving HPV 16 were significantly associated with a diagnosis of high-grade neoplasia (≥ CIN 2) [odds ratio (OR) 6.49; 95% confidence interval (CI): 1.88-23.44 and OR: 3.65; 95% CI: 1.13-12.15] even after adjustment for HPV-DNA. A statistically significant association was also found between HPV 16 and the other HPV types belonging to species α 9 and a diagnosis of high-grade neoplasia (OR: 7.62; 95% CI: 1.28-51.58); however, no association was found between HPV 16 and the other HPV types belonging to species α 7. HPV 16 is the most important predictor of high-grade cervical neoplasia. Multiple-type infections are predictors of high-grade cervical neoplasia when type 16 is present.
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