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  • Title: Comparison of Pap smear, visual inspection with acetic acid, and digital cervicography as cervical screening strategies.
    Author: Khodakarami N, Farzaneh F, Aslani F, Alizadeh K.
    Journal: Arch Gynecol Obstet; 2011 Nov; 284(5):1247-52. PubMed ID: 21188404.
    Abstract:
    PURPOSE: To compare the sensitivity, specificity, positive and negative predictive values (PPV and NPV), and accuracy of Pap smear, visual inspection with acetic acid (VIA) and digital cervicography (DC). METHODS: This is a cross-sectional study on 100 women in the age group of 20-60 years, sequentially using the Pap test, the VIA, and the DC for screening. All women underwent colposcopic biopsy as the gold standard in comparing the methods. RESULTS: Of the total of 100 women with the mean age 36.0 years, 17 cases were recognized positive for abnormal cervical cell by gold standard. The sensitivity, specificity, PPV, NPV, and accuracy of the Pap test, the VIA, and the DC were 23.5, 100, 100, 86.5, and 87%; 62.5, 98.8, 90.9, 93.2, and 92.9%; and 46.7, 97.6, 77.8, 91, and 89.8%, respectively, for cervical neoplasia. CONCLUSIONS: The Pap test had low sensitivity but high specificity, whereas VIA had a high sensitivity in addition to being easy and low-cost. Adjuvant methods of screening such as VIA can be a valuable alternative to the Pap test for cervical cancer screening in low-resource settings.
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