Complete pathologic response as a prognostic factor for squamous cell carcinoma of the oropharynx post-chemoradiotherapy / Resposta patológica completa como fator prognóstico no carcinoma espinocelular de orofaringe após quimiorradioterapia
Braz. j. otorhinolaryngol. (Impr.)
;
81(5): 498-504, Sept.-Oct. 2015. tab, graf
Article
in English
| LILACS
| ID: lil-766292
ABSTRACT
ABSTRACT INTRODUCTION:
Chemoradiotherapy for squamous cell carcinoma of the oropharynx (SCCO) provides good results for locoregional disease control, with high rates of complete clinical and pathologic responses, mainly in the neck.OBJECTIVE:
To determine whether complete pathologic response after chemoradiotherapy is related to the prognosis of patients with SCCO.METHODS:
Data were prospectively extracted from clinical records of N2 and N3 SCCO patients submitted to a planned neck dissection after chemoradiotherapy.RESULTS:
A total of 19 patients were evaluated. Half of patients obtained complete pathologic response in the neck. Distant or locoregional recurrence occurred in approximately 42% of patients, and 26% died. Statistical analysis showed an association between complete pathologic response and lower disease recurrence rate (77.8% vs. 20.8%; p = 0.017) and greater overall survival (88.9% vs. 23.3%;p = 0.049).CONCLUSION:
The presence of a complete pathologic response after chemoradiotherapy positively influences the prognosis of patients with SCCO.RESUMO
RESUMO Introdução:
O tratamento baseado em quimirradioterapia do Carcinoma Espinocelular de Orofaringe (CECOF) apresenta bons resultados no controle locorregional da doença com boas taxas de resposta clínica e patológica completas especialmente no pescoço.Objetivo:
Determinar se a resposta patológica completa após quimiorradioterapia estárelacionada aos prognósticos dos pacientes com CECOF.Método:
Os dados foram obtidos de maneira prospectiva da revisão de prontuários de pacientes com CECOF N2 e N3 submetidos a esvaziamento cervical planejado após quimiorradioterapia.Resultados:
Um total de 19 pacientes foram avaliados. Metade dos indivíduos apresentou resposta patológica completa no pescoço. Recidiva à distância ou locorregional ocorreu em aproximadamente 42% dos pacientes e 26% deles morreram. A análise estatística demonstrou uma associação entre resposta patológica completa e menor taxa de recidiva (77,8% vs.20,8%; p = 0,017) e maior sobrevivência global (88,9% vs.23,3%; p = 0,049).Conclusão:
A presença de resposta patológica completa após quimiorradioterapia influencia positivamente no prognóstico de pacientes com carcinoma espinocelular de orofaringe.
Full text:
Available
Index:
LILACS (Americas)
Main subject:
Carcinoma, Squamous Cell
/
Oropharyngeal Neoplasms
/
Antineoplastic Agents
Type of study:
Prognostic study
Limits:
Adult
/
Aged
/
Female
/
Humans
/
Male
Language:
English
Journal:
Braz. j. otorhinolaryngol. (Impr.)
Journal subject:
Otolaryngology
Year:
2015
Type:
Article
Affiliation country:
Brazil
Institution/Affiliation country:
Faculdade de Medicina do ABC/BR
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