Evaluation of alternative methods in cervical screening: HPV DNA detection and visual inspection - Revista Brasileira de Ginecologia e Obstetrícia

Evaluation of alternative methods in cervical screening: HPV DNA detection and visual inspection |

OBJECTIVE: to evaluate the performance of Pap smear, hybrid capture II (HC II), and visual inspection with acetic acid in the detection of pre-invasive and invasive cervical lesions. METHODS: a total of 2281 women were submitted to a clinical exam, including Pap smear, HC II for HPV DNA detection and visual inspection with 5% acetic acid (VIA). When at least one of the tests was positive, colposcopy was performed and targeted biopsies were taken from suspicious lesions. Colposcopy was also performed in 420 women with negative results. Test performance was evaluated, using colposcopy as the gold standard, with or without biopsy. RESULTS: Pap smear, VIA and HC II were positive in 9.2, 10.9 and 17.5% of all women screened, respectively. Although at least one positive test was found in 671 women (29.4%), only 82 (3.6%) presented histologically confirmed disease (50 NIC1, 20 NIC2, 7 NIC3, and 5 invasive carcinoma). VIA and HC II sensitivities were similar and significantly higher than Pap smear. Pap smear showed better specificity than VIA and than HC II. In women with a negative Pap smear result, VIA showed better performance than HC II. CONCLUSION: Pap smear combined with VIA performed better than Pap smear combined with HC II or than Pap smear alone.