Meckel's diverticulum (MD) is the most common gastro-intestinal congenital malformation (approximately 2% in the overall population). The lifetime risk of related complications is estimated at 4%. These include gastro-intestinal bleeding, obstruction or diverticular inflammation. Diagnosis is difficult and rarely made, and imaging, especially in the case of complicated disease, is often not helpful; however exploratory laparoscopy is an important diagnostic tool. The probability of onset of complication decreases with age, and the diagnosis of MD in the adult is therefore often incidental. Resection is indicated in case of complications but remains debatable when MD is found incidentally. According to an analysis of large series in the literature, surgery is not indicated in the absence of risk factors for complications: these include male gender, age younger than 40, diverticulum longer than two centimetres and the presence of macroscopically mucosal alteration noted at surgery. Resection followed by anastomosis seems preferable to wedge resection or tangential mechanical stapling because of the risk of leaving behind abnormal heterotopic mucosa.
Keywords: Anastomosis; Gastro-intestinal bleeding; Intestinal obstruction; Intussusception; Meckel's diverticulum; Resection.
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