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Revista Colombiana de Obstetricia y Ginecología

versión impresa ISSN 0034-7434versión On-line ISSN 2463-0225

Resumen

FERNANDEZ-MERCADO, Robinson Segundo et al. Prevalence of lymph node involvement in patients with endometrial cancer, Colombia 2009-2016: Exploratory analysis of associated factors. Rev Colomb Obstet Ginecol [online]. 2020, vol.71, n.2, pp.103-114. ISSN 0034-7434.  https://doi.org/10.18597/rcog.3450.

Objective:

To determine the prevalence of lymph node involvement in patients with endometrial cancer and to explore factors associated with lymph node invasion.

Materials and methods:

Prevalence study with exploratory analysis. The study included patients with endometrial cancer who underwent total abdominal hysterectomy plus bilateral salpyingooophorectomy and pelvic lymphadenectomy with or without para-aortic lymphadenectomy in seven oncology centers in Colombia between 2009 and 2016. Patients who had received prior radiotherapy or chemotherapy, with a histological diagnosis of neuroendocrine tumors, carcinosarcomas or synchronous or metachronous lesions were excluded. Non-probabilistic sampling. Sample size n=290. Measured variables: sociodemographic, clinical and histopathological, and pelvic or para-aortic lymph node involvement. The prevalence for the period is presented. The exploratory analysis was conducted using crude odds ratio (OR) and adjusted OR by means of a multivariate model (unconditional logistic regression).

Results:

Overall, 467 cases were retrieved. Of them, 163 were excluded because of non-availability of all the variables. In total, 304 patients were studied. The prevalence of lymph node involvement was 15.8 % (48/304). In the crude and adjusted analysis, factors associated with lymph node involvement were lymphovascular invasion (adjusted OR: 9.32; 95 % CI 4.27-21.15) and myometrial invasion (adjusted OR: 3.95; 95 % CI 1.29-14.98).

Conclusion:

Of the patients undergoing lymphadenectomy, 15 % have lymph node involvement. Less invasive diagnostic options than radical surgery to ascertain lymph node invasion should be assessed.

Palabras clave : Endometrial neoplasms; surgical pathology; lymph nodes.

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