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Revista Española de Salud Pública

versión On-line ISSN 2173-9110versión impresa ISSN 1135-5727


ONCINS TORRES, Rosa et al. Study of conizations of the cervix after five years of cervical cancer screening with co-testing. Rev. Esp. Salud Publica [online]. 2018, vol.92, e201810045.  Epub 02-Oct-2018. ISSN 2173-9110.


Uterine Cervical Cancer (UCC) screening has changed with the introduction of the High Risk Human Papilloma Virus test (HRHPV) and its evaluation is necessary. The objective of this study is to analyze the effectiveness of UCC screening with activities aimed at early detection and treatment to modify the natural history of the process and improve its prognosis.


Cytology and HR-HPV (co-testing) were performed according to the SEGO protocol of 2010 between 2011 and 2015 with follow-up until 2017. The HR-HPV DNA test was HC2 Hybrid Capture (Digene®) at the beginning (16.1% of the cases) and Cobas 4800 (Roche®) afterwards. Target population: Barbastro´s health area. The initial treatment was conization with loop (LLETZ). Sensitivity and Positive Predictive Value of tests were studied, as well as the association between demographic and pathological variables.


238 high-grade dysplasias (HSIL) or more (CIN2+) were detected with a mean age of 37.9±10.3 years and 60.0% were genotype 16 and/or 18 positive. 220 patients (92.4%) underwent conization completed thereafter with reconization or hysterectomy in 25 cases (11.4%). HSIL was diagnosed in 220 cases (92.4%) and invasive carcinoma in 18 (7.6%), 7 microinvasive (2.9%). 14.4% of cones had no HSIL (negative cone) and 83.2% got free margins. 52.0% had involvement in a single quadrant and the mean horizontal extension was 3.5±3.1mm. Only in 14 (6.7%) patients the disease (HR-HPV positive) persisted after treatment. A statistically significant association was found in our cases between affected borders and age over 45 years (p=0.005).


The co-test has detected small preinvasive lesions, localized in a single quadrant and microinvasive cancers . Loop conization was effective, achieving the cure of 93.3% of the patients.

Palabras clave : Conization; Screening; Cervical intraepithelial neoplasia; Human papillomavirus; Co-testing; Margin.

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