Distant metastasis in oral squamous cell carcinoma: Does the neutrophil-to-lymphocyte ratio act as a surrogate of the host immune status? Journal Article
| Authors: | Zanoni, D. K.; Valero, C.; McGill, M. R.; Montero, P. H.; Shah, J. P.; Wong, R. J.; Ganly, I.; Patel, S. G. |
| Article Title: | Distant metastasis in oral squamous cell carcinoma: Does the neutrophil-to-lymphocyte ratio act as a surrogate of the host immune status? |
| Abstract: | Objectives: Distant metastasis (DM) is an important prognostic factor for oral squamous cell carcinoma (OSCC). The aim of this study is to evaluate the influence of host and tumor factors in development of DM. Materials and Methods: After IRB approval, 1369 patients with OSCC undergoing primary surgery were eligible for the study. The primary endpoint was the development of distant metastasis (DM). Patients were pathologically staged according to the American Joint Committee on Cancer, 8th Edition. Pre-operative peripheral blood counts were used to calculate neutrophil-to-lymphocyte ratio (NLR). Results: Median follow-up was 39 months (range 1–221). DM were identified in 126 patients during follow-up. When analyzed as a time-dependent covariate, neck recurrence (NR) was a significant predictor of DM (HR 16.35, 95% CI: 11.39–23.47, p < 0.001). NLR, margin status, vascular invasion, perineural invasion (PNI), grade, pT, number of metastatic lymph nodes, level IV involvement, and extra nodal-extension (ENE) were also significant. In multivariable analysis, NLR, margins, PNI, number of metastatic lymph nodes, and ENE maintained independent predictive capacity. Patients with NLR ≥ 5.7 were 3 times more likely to develop DM compared to NLR ≤ 2.9 (95% CI: 1.74–5.59, p < 0.001), patients with ≥ 5 metastatic lymph nodes were 2 times more likely to develop DM (95% CI: 1.18–3.60, p = 0.011), and those with ENE were 4 times more likely (95% CI: 2.67–8.20, p < 0.001) when compared to pNx/pN0 patients. Conclusions: NLR, number of metastatic lymph nodes, and ENE were the strongest independent predictors of DM in OSCC treated with primary surgery and appropriate adjuvant therapy. © 2021 |
| Keywords: | squamous cell carcinoma; head and neck cancer; oral cancer; distant metastases; neutrophil-to-lymphocyte ratio |
| Journal Title: | Oral Oncology |
| Volume: | 124 |
| ISSN: | 1368-8375 |
| Publisher: | Elsevier Inc. |
| Date Published: | 2022-01-01 |
| Start Page: | 105641 |
| Language: | English |
| DOI: | 10.1016/j.oraloncology.2021.105641 |
| PROVIDER: | scopus |
| PUBMED: | 34864297 |
| PMCID: | PMC9377276 |
| DOI/URL: | |
| Notes: | Article -- Export Date: 3 January 2022 -- Source: Scopus |
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