RESUMEN La intususcepcion o invaginacion intestinal, es una patologia de dificil diagnostico que se considera emergencia medica, requiriendo deuna pronta sospecha clinica, confirmacion con radioimagenes y adecuado manejo, por lo general de tipo quirurgico. Aunque es descritacon frecuencia en pediatria, dicha entidad es rara en adultos y posee bases fisiopatologicas y etiologicas particulares dependiendo de laedad de aparicion; estas comprenden infecciones, neoplasias e incluso causas idiopaticas. Se reporta una paciente adulto joven, quienpresento clinica de abdomen agudo asociado a nauseas, emesis y melenas. La paciente curso con una historia natural inusual de suenfermedad, llegandose un a diagnostico tardio por medio de radioimagenes de alta definicion, los cuales evidenciaban signos claros deinvaginacion intestinal con obstruccion. Se realizo urgentemente laparotomia exploratoria con hallazgo de intususcepcion ileocecal, lacual fue corregida quirurgicamente por medio de reseccion del segmento intestinal comprometido sin complicaciones intraoperatorias ypresentando una evolucion posquirurgica favorable sin recidiva o recurrencia en controles medicos posteriores. (MED.UIS. 2011;25(1):75-8).Palabras clave: Intususcepcion. Obstruccion intestinal. Laparotomia ABSTRACT Acute abdomen caused by intussusception in a young adult at the La Milagrosa Clinic, Santa Marta, ColombiaIntussusception is a pathology with a difficult diagnosis, considered as a medical emergency, that needs a fast clinical suspect, confirmationwith radio images and proper management, principally surgical. Is often described in children, it is uncommon in adults and has particularetiologic and pathophysiologic basis depending on age of onset; these include infection, tumors and idiopathic causes. This case reportis about a young woman who presented acute abdomen associated to nausea, emesis and melena. The patient had an unusual naturalhistory of disease, making a diagnosis with high-definition radio images, which evinced clear signs of intussusception with intestinalobstruction. Urgent exploratory laparotomy was performed evidencing ileocecal intussusception, corrected surgically by resection of theaffected bowel segment, without intraoperative complications and favorable postoperative evolution without relapse or recurrence insubsequent medical checks. (MED.UIS. 2011; 25(1):75-8).Key words: Intussusception. Intestinal obstruction. Laparotomy.