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Prognostic impact of tumor-associated macrophages, lymphocyte-to-monocyte and neutrophil-to-lymphocyte ratio in diffuse large B-cell lymphoma.


ABSTRACT: INTRODUCTION:Microenvironment has a prognostic influence in diffuse large B-cell lymphoma (DLBCL); among its components, tumor-associated macrophages (TAM) play a leading role. TAM can be classified into M1 (anti-tumor) and M2 (pro-tumor). Another prognostic factor could be represented by lymphocyte-to-monocyte and neutrophil-to-lymphocyte ratio (LMR and NLR). OBJECTIVE:The aim of the study is to evaluate the prognostic impact of M1 and M2 TAM subtypes, LMR and NLR in DLBCL. METHODS:We analyzed 37 consecutive patients between 2009 and 2013. Out of 37 patients, 28/37 (75.6%) received R-CHOP/CHOP-like regimens, 9/37 (24.4%) less intensive therapies. Immunohistochemistry was performed with antibodies against CD68 and CD163. We divided our cohort into 2 categories according to the Steidl score. TAM who coexpressed CD68 and CD163 were considered as M2. For LMR and NLR we used previously published cut-offs of 2.71 and 2.81. RESULTS:CR rate was 70.3%; we did not record a significant correlation between CD68+ TAM, CD163+ TAM, CD68+/CD163+ TAM, LMR, NLR and CR. We observed a reduced PFS in patients with IPI ? 2 and high M2 TAM expression and a trend between higher expression of CD68+ TAM and improved PFS. CONCLUSION:M2 TAM could have a prognostic role for IPI ? 2 DLBCL patients receiving R-CHOP, which thus warrants further investigation.

SUBMITTER: Cencini E 

PROVIDER: S-EPMC7486489 | biostudies-literature | 2020

REPOSITORIES: biostudies-literature

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Prognostic impact of tumor-associated macrophages, lymphocyte-to-monocyte and neutrophil-to-lymphocyte ratio in diffuse large B-cell lymphoma.

Cencini Emanuele E   Fabbri Alberto A   Schiattone Luana L   Sicuranza Anna A   Mecacci Bianca B   Granai Massimo M   Mancini Virginia V   Lazzi Stefano S   Bocchia Monica M   Leoncini Lorenzo L  

American journal of blood research 20200825 4


<h4>Introduction</h4>Microenvironment has a prognostic influence in diffuse large B-cell lymphoma (DLBCL); among its components, tumor-associated macrophages (TAM) play a leading role. TAM can be classified into M1 (anti-tumor) and M2 (pro-tumor). Another prognostic factor could be represented by lymphocyte-to-monocyte and neutrophil-to-lymphocyte ratio (LMR and NLR).<h4>Objective</h4>The aim of the study is to evaluate the prognostic impact of M1 and M2 TAM subtypes, LMR and NLR in DLBCL.<h4>Me  ...[more]

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