Mortality in cutaneous malignant melanoma and its association with Neutrophil-to-Lymphocyte ratio.

Mirian Elizabeth Pinto-Paz, Jose Manuel Cotrina-Concha, Vicente A. Benites-Zapata

Resultado de la investigación: Contribución a una revistaArtículorevisión exhaustiva

Resumen

Introduction: Cutaneous malignant melanoma (CMM) incidence has risen rapidly in the last 50 years. Poor progression and high mortality characterize CMM, making a thorough understanding of progression and associated factors essential for optimizing care. Aims: We assessed the association between the Neutrophil-to-Lymphocyte Ratio (NLR) and mortality in adults with CMM from an entirely mixed-race Hispanic population during 12 consecutive years of extensive follow-up. Material & Methods: We performed a retrospective cohort study in a tertiary hospital in Peru. NLR was categorized with a cutoff value higher or equal than 3. We collected demographic variables, laboratory results and treatments at baseline of follow-up. Cox regression analysis was performed, and we calculated crude and adjusted hazard ratios (HR) and their 95% confidence interval (95%CI). Results: The analysis was from 615 CMM cases, and there were 378 deaths. Most melanomas (63.6%) were acral lentiginous. The crude analysis showed that high NLR is a risk factor for mortality, HR = 2.52; 95%CI (2.03–3.14). High NRL ratio remains statistically significant after adjusting for confounding variables, aHR = 1.61; 95%CI (1.16–2.24). Other risk factors for mortality were clinical stages III and IV, older than 60 years, females and greater Breslow thickness. Conclusions: We concluded that high NRL ratio is a risk factor for mortality and should be monitored in every patient who is diagnosed with malignant melanoma during their first blood count. It should then be carried out in follow-up controls for patients of clinical stage III and IV only, or in patients who present a relapse.

Idioma originalInglés
Número de artículo100464
PublicaciónCancer Treatment and Research Communications
Volumen29
DOI
EstadoPublicada - ene 2021

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