Resumen

ZAMBRANO ARAQUE, Silvia Emilcy  y  GONZALEZ BLANCO, Mireya. Citología en base líquida: parámetros de eficacia. Rev Obstet Ginecol Venez [online]. 2015, vol.75, n.3, pp.187-199. ISSN 0048-7732.

Objective: To compare the efficacy of cytology with the use of liquid medium in relation to the conventional, in patients who attended the gynecology service in Maternidad “Concepción Palacios”. Methods: Carried out a comparative and prospective study that included 177 patients which underwent both PAP (conventional and liquid). Results: 114 samples with metaplastic cells and from the union escamo-cylindrical were obtained with conventional cytology and 60 with liquid-based cytology (P = 0.001). With liquid-based cytology found fewer cases without inflammatory exudate, most with moderate exudate, and more cases of infection were diagnosed by human papillomavirus. With the conventional technique, there were more cases of bacterial vaginosis. The cytologic findings, in relation to the epithelial cells, were similar with both techniques: 171 and 157 negatives, 2 and 8 atypia of squamous cells of uncertain significance and 4 and 12 intraepithelial lesions of low grade, for conventional smear and liquid-based, respectively. There were 23 false negative and false positive 1 with conventional cytology while with liquid-based cytology had 18 false negative and false positive 10. Conclusions: The sensitivity, the positive predictive value and the negative predictive value of Cytology processed according to both techniques were similar, the specificity of conventional cytology was higher.

Palabras clave : Conventional cytology; Cytology liquid based; Parameters of efficiency.

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