The neutrophil-to-lymphocyte ratio: A narrative review

Sara Socorro Faria, Paulo César Fernandes, Marcelo José Barbosa Silva, Vladmir C. Lima, Wagner Fontes, Ruffo Freitas, Agda Karina Eterovic, Patrice Forget

Research output: Contribution to journalReview articlepeer-review

244 Scopus citations

Abstract

Cellular-mediated inflammatory response, lymphocytes, neutrophils, and monocytes are increasingly being recognised as having an important role in tumorigenesis and carcinogenesis. In this context, studies have suggested that the neutrophil-to-lymphocyte ratio (NLR) can be used as an independent prognostic factor in a variety of cancers. Particularly in breast cancer, several studies have shown that a high NLR is associated with shorter survival. Because the NLR can be easily determined from the full blood count, it could potentially provide a simple and inexpensive test cancer prognosis. This review addresses the possibilities and limitations of using the NLR as a clinical tool for risk stratification helpful for individual treatment of breast cancer patients. The potential underlying phenomena and some perspectives are discussed.

Original languageEnglish (US)
Article number702
Journalecancermedicalscience
Volume10
DOIs
StatePublished - Dec 12 2016

Keywords

  • Breast cancer
  • Inflammation
  • Neutrophil-to-lymphocyte ratio
  • Prognosis

ASJC Scopus subject areas

  • Oncology
  • Cancer Research

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