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Neutrophil-lymphocyte ratios in the prognostication of primary non-metastatic nasopharyngeal carcinoma / Neutrophil-lymphocyte ratios in the prognostication of primary non-metastatic nasopharyngeal carcinoma
Liew, Kong Yew; Zulkiflee, Abu Bakar.
  • Liew, Kong Yew; Universiti Putra Malaysia. Faculty of Medicine and Health Sciences. Department of Surgery. Serdang. MY
  • Zulkiflee, Abu Bakar; Universiti Malaya. Faculty of Medicine. Department of Otorhinolaryngology. Kuala Lumpur. MY
Braz. j. otorhinolaryngol. (Impr.) ; 84(6): 764-771, Nov.-Dec. 2018. tab, graf
Article in English | LILACS | ID: biblio-974388
ABSTRACT
Abstract

Introduction:

Nasopharyngeal carcinoma is a geographically and racially variable disease which has a high incidence in Malaysia. Based on current concepts in tumour related inflammation the inflammatory marker, neutrophil-lymphocyte ratio was tested to find its relationship with prognosis in nasopharyngeal carcinoma.

Objective:

To investigate the effect of the neutrophil-lymphocyte ratio on prognosis in non-metastatic primary nasopharyngeal carcinoma patients and to further refine the cut off between high and low neutrophil-lymphocyte ratio values.

Methods:

The medical charts of patients with histologically confirmed nasopharyngeal carcinoma from 1st January 2005 until 31st December 2009 were reviewed retrospectively and theneutrophil-lymphocyte ratio was calculated to see if there was any association between their higher values with higher failure rates.

Results:

Records of 98 patients (n = 98) were retrieved and reviewed. Only neutrophil-lymphocyte ratio (p = 0.004) and tumor node metastasis staging (p = 0.002) were significantly different between recurrent and non-recurrent groups, with the neutrophil-lymphocyte ratio being independent of tumor node metastasis staging (p = 0.007). Treatment failure was significantly higher in the high neutrophil-lymphocyte ratio group (p = 0.001). Disease free survival was also significantly higher in this group (p = 0.000077).

Conclusion:

High neutrophil-lymphocyte ratio values are associated with higher rates of recurrence and worse disease free survival in non-metastatic nasopharyngeal carcinoma patients undergoing primary curative treatment.
RESUMO
Resumo

Introdução:

O carcinoma de nasofaringe é uma doença variável geográfica e etnicamente, com alta incidência na Malásia. Baseado em conceitos atuais sobre inflamação relacionada a tumores, o marcador inflamatório relação neutrófilos/linfócitos foi testado para verificar sua relação com o prognóstico dessa condição clínica.

Objetivo:

Investigar o efeito do marcador neutrófilos/linfócitos no prognóstico de pacientes com primários não metastáticos de nasofaringe e refinar o ponto de corte entre valores altos e baixos da relação neutrófilos/linfócitos.

Método:

Os prontuários médicos dos pacientes com carcinoma de nasofaringe confirmado histologicamente de 1º de janeiro de 2005 até 31 de dezembro de 2009 foram revisados retrospectivamente e a relação neutrófilos/linfócitos foi calculada para verificar se havia alguma associação entre valores maiores e aumento na taxa de falha de tratamento.

Resultados:

Os dados de 98 pacientes (n = 98) foram revisados. Apenas a relação neutrófilos/linfócitos (p = 0,004) e o estadiamento TNM (p = 0,002) foram significantemente diferentes entre os grupos recorrentes e os não recorrentes, a relação neutrófilos/linfócitos foi independente do estadiamento TNM (p = 0,007). A falha de tratamento foi significantemente maior no grupo com relação neutrófilos/linfócitos alta (p = 0,001). A sobrevida livre de doença também foi significantemente maior nesse grupo (p = 0,000077).

Conclusão:

Os altos valores da relação neutrófilos/linfócitos estão associados a maiores taxas de recorrência e menor tempo de sobrevida livre de doença em pacientes com carcinomas não metastáticos de nasofaringe submetidos a tratamento curativo primário.
Subject(s)


Full text: Available Index: LILACS (Americas) Main subject: Lymphocytes / Nasopharyngeal Carcinoma / Neoplasm Recurrence, Local / Neutrophils Type of study: Observational study / Prognostic study / Risk factors Limits: Adult / Aged / Female / Humans / Male Country/Region as subject: Asia Language: English Journal: Braz. j. otorhinolaryngol. (Impr.) Journal subject: Otolaryngology Year: 2018 Type: Article Affiliation country: Malaysia Institution/Affiliation country: Universiti Malaya/MY / Universiti Putra Malaysia/MY

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Full text: Available Index: LILACS (Americas) Main subject: Lymphocytes / Nasopharyngeal Carcinoma / Neoplasm Recurrence, Local / Neutrophils Type of study: Observational study / Prognostic study / Risk factors Limits: Adult / Aged / Female / Humans / Male Country/Region as subject: Asia Language: English Journal: Braz. j. otorhinolaryngol. (Impr.) Journal subject: Otolaryngology Year: 2018 Type: Article Affiliation country: Malaysia Institution/Affiliation country: Universiti Malaya/MY / Universiti Putra Malaysia/MY