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Rev. chil. cir ; 60(5): 398-402, oct. 2008. graf, tab
Article in Spanish | LILACS | ID: lil-549989

ABSTRACT

Objetivo: Comparar la sobrevida del cáncer gástrico en anillo de sello (AS) con los otros tipos de adenocarcinoma (no anillo de sello (ÑAS)), según el compromiso en profundidad de la pared gástrica (T) y los números de linfonodos comprometidos (N). Material y Métodos: Se realizó un estudio de cohorte retrospectivo, en el cuál se seleccionó a todos los pacientes gastrectomizados por adenocarcinoma gástrico en el Hospital Base Valdivia entre los años 1988-2005. Se compararon los pacientes cuyo informe histopatológico concluía que el cáncer gástrico era un AS (más del 50 por ciento de sus células son anillo de sello) con los que no lo eran (ÑAS). En el análisis estadístico se utiliza el test de por ciento, Método de Kaplan Meier, test de Log Rank. Resultados: Total 287 casos. 60 AS y 227 ÑAS. No hubo diferencias estadísticamente significativas en cuanto a la profundidad tumoral entre ambos grupos. Los AS presentaron mayor compromiso linfonodal. Al comparar la sobrevida a 5 años de los AS con los ÑAS por estadio (TNM), no encontramos diferencias significativas. Conclusión: A la luz de este trabajo el tipo histológico anillo de sello no parece constituir un factor de mal pronóstico en el cáncer gástrico.


Background: Signet ring cell (SRC) carcinoma of the stomach corresponds to 3 to 39 percent of all cases of gastric cancer. It tends to be less differentiated, infiltrative and diffuse. It is not clear if it has a different prognosis than other types of gastric cancer. Aim: to compare the survival of SRC gastric carcinoma with other types of gastric cancer, considering depth of gastric wall involvement and number of infiltrated lymphnodes. Material and Methods: Retrospective review of pathology samples of all gastric cancers operated between 1988 and 2005. Survival of patients with and without SRC gastric cancer was compared. Results: A total of 287 cases were reviewed. Of these 60 had a SRC gastric cancer. No differences in gastric wall infiltration between SRC and non SRC gastric cancer was observed. SRC gastric cancer has a higher frequency of lymph node involvement. No differences in survival between SRC and non SRC gastric cancer, were observed. Conclusions: In this retrospective series of patients, no differences in survival were observed between SRC and non SRC gastric cancer.


Subject(s)
Humans , Male , Adult , Female , Middle Aged , Aged, 80 and over , Carcinoma, Signet Ring Cell/mortality , Carcinoma, Signet Ring Cell/pathology , Stomach Neoplasms/mortality , Stomach Neoplasms/pathology , Cohort Studies , Carcinoma, Signet Ring Cell/surgery , Gastrectomy , Neoplasm Staging , Stomach Neoplasms/surgery , Prognosis , Retrospective Studies , Survival Analysis
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