RESUMEN Se presenta el caso de una paciente de 71 anos, con antecedente de colecistectomia hace 27 anos, remitida al departamento de cirugia para evaluacion de masa intraabdominal, por hallazgo imagenologico de masa calcificada sugestiva de lesion tumoral tanto por ecografia como por tomografia axial computarizada abdominal, por lo cual fue llevada a cirugia en donde se evidencio textiloma quirurgico. El hallazgo de calcificacion en la tomografia axial computarizada probablemente fue el factor de confusion causante del diagnostico erroneo. El textiloma debe ser incluido dentro de los diagnosticos diferenciales de masas abdominales, especialmente en pacientes con antecedentes de cirugias abdominales previas, incluso ante hallazgos tipicos sugestivos de caracteristicas tumorales en los estudios de imagenes preoperatorias. Se exponen imagenes de los estudios prequirurgicos del caso, de la pieza quirurgica extraida durante el procedimiento y se realiza una revision de la literatura. Palabras clave: Textiloma. Material quirurgico olvidado. Carcinoma hepatocelular. ABSTRACT The case of a 71 year-old patient is presented, with a history of cholecystectomy 27 years ago, who was referred to the surgery department for evaluation of an intrabdominal mass. On imaging studies there was a calcificated mass suggestive of tumoral lesion either by abdominal ecography and abdominal computed tomography, because of this she was carried to surgery where a textiloma was found. The calcification on the abdominal computed tomography probably was the factor which caused the wrong diagnosis. Textiloma should be included in the differential diagnosis of abdominal masses, especially in patients with a prior history of abdominal surgery, even with typical tumorous characteristics on preoperative imaging studies. Hereafter are exposed image of preoperative studies of the case, of the surgical piece removed during the procedure and a literature review is made. Key words : Textiloma. Forgot surgical material. Hepatocellular carcinoma.