correlation between preoperative tomographic staging and definitive histopathologic results in gastric cancer at the hospital central militar
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2017
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Abstract
Background: In relation to the number of new cases diagnosed, gastric cancer is the fourth most common cancer worldwide, and the second cause of cancer death. The development of multidetector tomography has improved the preoperative staging of gastric cancer. Aim: To correlate preoperative tomographic studies with the definitive pathologic results according to the TNM staging system. Methods: A retrospective, cross-sectional study within the time frame of January 2009 to December 2013 was conducted that included the case records of 67 patients. They all had upper endoscopy and preoperative multidetector tomography examinations, underwent surgical resection, and had the corresponding histopathology study. Statistical analysis was carried out with the SPSS version 15.0 software and the sensitivity and specificity calculations were made using the Excel 2011 program for Mac. Results: The majority of the patients included in the case series had clinical stage iii and iv disease. When compared with the histopathologic result, the overall accuracy of multidetector CT was 83% (T0 96%, T1 94%, T2 93%, T3 67%, and T4 67%) for tumor size (T) and was 70% (N0 72%, N1 73%, N2 70%, and N3 66%) for lymph node involvement (N). Overall sensitivity was 48% (T0 100%, T1 0%, T2 33%, T3 44%, and T4 65%) for T and was 41% (N0 58%, N1 56%, N2 15%, and N3 35%) for N. A strong association between the multidetector CT results and the pathology results was demonstrated through the Spearman's correlation, especially in T4 and N3. Conclusions: Multidetector computed tomography showed greater congruency in detecting stages T4, N0, and N3 in gastric cancer, when compared with the definitive histopathologic results. Resumen: Antecedentes: El cáncer gástrico es el cuarto tipo de cáncer más comĂşn de reciente diagnĂłstico y la segunda causa de muerte relacionada con cáncer en el mundo. El desarrollo de tomografĂa multidetector ha mejorado la estadificaciĂłn preoperatoria del cáncer gástrico. Objetivo: Correlacionar los informes tomográficos preoperatorios con los resultados definitivos de patologĂa de acuerdo con el sistema TNM. MĂ©todos: Análisis transversal, retrospectivo. De enero del 2009 a diciembre del 2013, se incluyĂł a 67 pacientes, todos tenĂan endoscopia superior, tomografĂa preoperatoria, fueron sometidos a cirugĂa resectiva y contaban con resultado histopatolĂłgico. El análisis estadĂstico se realizĂł con el programa de computadora SPSS versiĂłn 15.0. El cálculo de sensibilidad y especificidad se realizĂł con el programa Excel 2011 para Mac. Resultados: La mayorĂa de los pacientes de la serie se encontraban en estadio clĂnico iii y iv. La precisiĂłn global de la tomografĂa computarizada (TC) multidetector comparado con el resultado histopatolĂłgico para el tamaño del tumor (T) fue del 83% (T0 96%, T1 94%, T2 93%, T3 67% y T4 67%) y para N del 70% (N0 72%, N1 73%, N2 70% y N3 66%), la sensibilidad global para T fue del 48% (T0 100%, T1 0%, T2 33%, T3 44% y T4 65%) y para N del 41% (N0 58%, N1 56%, N2 15% y N3 35%). AsĂ mismo se demostrĂł, mediante correlaciĂłn de Spearman, una fuerte asociaciĂłn entre los resultados de la TC multidetector y el resultado de patologĂa, sobre todo en T4 y N3. Conclusiones: La TC multidetector mostrĂł mayor congruencia en detectar las etapas T4, N0 y N3 en cáncer gástrico, comparadas con los resultados histopatolĂłgicos definitivos. Keywords: Gastric cancer, Staging, Multidetector CT, Histopathologic, Palabras clave: Cáncer gástrico, EstadificaciĂłn, TC multidetector, HistopatolĂłgicoReference Key |
lpez-ramrez2017revistacorrelation
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Authors | ;M.A. LĂłpez-RamĂrez;C.D. Lever-Rosas;G.A. Motta-RamĂrez;V. Rebollo-Hurtado;J. Guzmán-Bárcenas;J.V. Fonseca-Morales;M.A. Carreño-Lomeli |
Journal | Molecular brain |
Year | 2017 |
DOI | DOI not found |
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