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espanolIntroduccion: recientemente se ha descrito una nueva entidad histologica serrada en pacientes con enfermedad inflamatoria intestinal (EII) conocida como “cambio epitelial serrado” (CES). En los ultimos estudios parece que hay una fuerte asociacion entre la presencia de CES y displasia. Caso clinico: se presenta el caso clinico de un varon de 62 anos en programa de cribado de displasia-cancer colorrectal con cromoendoscopias periodicas con hallazgos compatibles con CES. Discusion: en aquellos pacientes que presentan varias lesiones serradas en las cromoendoscopias de cribado, sobre todo si son extensas y mal definidas, la realizacion de una colectomia profilactica parece una opcion razonable ante la posibilidad de aparicion de displasia de alto grado o CCR en el seguimiento. EnglishBackground: a new serrated histologic finding has recently been discovered in patients with inflammatory bowel disease (IBD), known as serrated epithelial change (SEC). Recent studies suggest that SEC is strongly associated with dysplasia. Case report: the case was a 62-year-old male in a dysplasia-colorectal cancer screening program with periodic chromoendoscopies, with CES findings in the previous chromoendoscopy studies. Discussion: a prophylactic colectomy seems a reasonable option for patients with several serrated lesions identified via chromoendoscopy screening. Particularly, if they are extensive and poorly defined, due to the possibility of developing high-grade dysplasia or colorectal cancer (CRC) during surveillance.