Tumor thickness as a predictive factor of lymph node metastasis and disease recurrence in T1N0 and T2N0 squamous cell carcinoma of the oral tongue

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Citações na Scopus
33
Tipo de produção
article
Data de publicação
2014
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ISSN da Revista
Título do Volume
Editora
ELSEVIER SCIENCE INC
Citação
ORAL SURGERY ORAL MEDICINE ORAL PATHOLOGY ORAL RADIOLOGY, v.118, n.2, p.209-217, 2014
Projetos de Pesquisa
Unidades Organizacionais
Fascículo
Resumo
Objective. The aim of the study was to compare the thickness of primary tumors with the frequency of nodal metastases and survival in patients surgically treated for T1/T2N0 oral tongue squamous cell carcinoma. Study Design. This is a retrospective longitudinal study with 74 patients. Results. None of the patients with a tumor thickness (TT) <= 7 mm presented with nodal metastasis, whereas 25 of the patients with a TT > 7 mm (51.0%) developed metastases (P < .0001). Multivariate analysis showed that TT > 7 mm was a risk factor for occult nodal metastasis (odds ratio = 8.7; P = .002) with 81.9% accuracy. TT > 10 mm was also a predictive factor of worse disease-free survival in these patients (hazard ratio = 12.2; P = .003). Conclusions. Tumor thickness of greater than 7 mm is predictive of a higher incidence of lymph node metastasis, and a TT > 10 mm is predictive of worse disease-free survival in squamous cell carcinoma of the oral tongue.
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Referências
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