Ono T, Azuma K, Kawahara A, Akiba J, Kakuma T, Chitose S, Umeno H. Pre-treatment CD8
+ tumour-infiltrating lymphocyte density predicts distant metastasis after definitive treatment in patients with stage III/IV hypopharyngeal squamous cell carcinoma.
Clin Otolaryngol 2018;
43:1312-1320. [PMID:
29896922 DOI:
10.1111/coa.13171]
[Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/10/2018] [Indexed: 12/12/2022]
Abstract
OBJECTIVES
Although inflammatory markers, such as the neutrophil-to-lymphocyte ratio, platelet-to-lymphocyte ratio and local immune markers have been shown to have prognostic utility, limited information is available regarding inflammatory and pre-existing tumour-infiltrating lymphocyte density and their association with prognosis in patients with hypopharyngeal squamous cell carcinoma. We investigated the prognostic ability of inflammatory markers and tumour-infiltrating lymphocyte density in stage III and stage IV hypopharyngeal squamous cell carcinoma patients receiving definitive treatment.
DESIGN
Retrospective cohort study.
SETTING
Kurume University Hospital.
PARTICIPANTS
Ninety-six stage III or stage IV hypopharyngeal squamous cell carcinoma patients treated at the Kurume University Hospital between 2000 and 2014.
MAIN OUTCOME MEASURES
Inflammatory markers and pre-treatment tumour-infiltrating lymphocyte density were examined from recorded haematologic data and immunohistochemical analysis.
RESULTS
Multivariate analyses showed that the CD8+ tumour-infiltrating lymphocyte density was an independent predictive factor for distant metastasis and overall survival, whereas inflammatory markers, including the neutrophil-to-lymphocyte ratio and platelet-to-lymphocyte ratio, were not correlated with distant metastasis or overall survival.
CONCLUSIONS
Higher pre-treatment CD8+ tumour-infiltrating lymphocyte density is a useful predictive biomarker for reduced distant metastasis and better prognosis.
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