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International Journal of Morphology

versión On-line ISSN 0717-9502

Resumen

GUERRERO, Enmanuel et al. Wilms' Tumor: Single Center Study From the Ecuadorian Andes. Case Series With Follow-Up. Int. J. Morphol. [online]. 2020, vol.38, n.1, pp.208-214. ISSN 0717-9502.  http://dx.doi.org/10.4067/S0717-95022020000100208.

Wilms tumor (WT) is the most common pediatric kidney tumor between 1 and 5 years of age. The existing evidence regarding clinical, therapeutic and survival (SV) aspects of TW is scarce. The aim of this study was to determine differences in 5-year overall survival (OS) and 5-year disease-free survival (DFS), in patients treated by WT with neoadjuvant chemotherapy (NACT) and initial surgery (IS). Case series. Patients with TW between 11 months and 13 years of age, treated at SOLCA Cancer Institute, Cuenca, Ecuador (1994-2019) were included. The outcome variables were OS and DFS. Once their treatments were completed, patients were followed clinically. Descriptive (measures of central tendency and dispersion) and analytical (Chi2, Fisher's exact and continuity correction) statistics were applied. SV analysis with Kaplan Meier curves and log-rank were performed. 36 patients (52.8 % men), with a median age of 44 months; 55.5 % of which had favorable histology were recruited. The most frequent location and stage was left kidney (55.5 %) and I (33.3 %) respectively. 58.3 % underwent IC and 41.7 % QTNA. After treatments, 21 patients (58.3 %) achieved complete remission. General OS and DFS were 72.0 % and 69.0 % respectively. When comparing subgroups with QTNA and CI. When comparing the subgroups with QTNA and CI, OS and DFS of 60.0 % and 81.0 % were verified (p=0.118); and of 66.7 % and 71.4 % (p=0.536) respectively. General OS and DFS observed are similar to those reported in other studies. No differences were evidenced with QTNA and CI treatments.

Palabras clave : "Wilms Tumor"[Mesh]; "Kidney Neoplasms"[Mesh]; “Chemotherapy"[Mesh]; "Survival Analysis"[Mesh]; "Disease-Free Survival"[Mesh].

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