期刊
ORAL DISEASES
卷 21, 期 6, 页码 755-761出版社
WILEY
DOI: 10.1111/odi.12343
关键词
oral squamous cell carcinoma; histopathological grading system; survival analysis; prognosis; oral cancer
资金
- Fundacao de Amparo a Pesquisa do Estado de Sao Paulo-FAPESP, Sao Paulo, Brasil [2013/01607-6]
- Coordenacao de Aperfeicoamento de Pessoal de Nivel Superior-CAPES, Brasilia, Brasil [PVES 109/2012]
- Fundacao de Amparo a Pesquisa do Estado de Sao Paulo (FAPESP) [13/01607-6] Funding Source: FAPESP
ObjectiveThis study evaluated the association of four histopathological grading systems (WHO grading system, malignancy grading of the deep invasive margins (MG), histological risk (HR) model, and tumor budding and depth of invasion (BD) model) with clinicopathological parameters and outcome of 113 oral squamous cell carcinomas to identify their roles in prognosis. MethodsDemographic and clinical features were obtained from patients' records. Sections from all paraffin-embedded blocks were evaluated according to the four grading systems. Demographic and clinical associations were analyzed using chi-square test, and correlations between the grading systems were established with the Spearman's rank correlation test. Survival curves were performed with Kaplan-Meier method, and multivariate analysis based on Cox proportional hazard model was calculated. ResultsSignificant associations with survival were observed for WHO grading system and BD model in the univariate analysis, but only the BD model was significantly associated with disease outcome as an independent prognostic marker. Age, tumor size, and presence of regional metastasis were also independent markers of reduced survival. ConclusionA significant association between the BD model and outcome of OSCC patients was observed, indicating this new histopathological grading system as a possible prognostic tool.
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