[Meckel's diverticulum causing massive gastrointestinal bleeding in an adult. Imaging findings and anatomopathological correlation].

Meckel's diverticulum is the most common congenital malformation of the gastrointestinal tract. Its caused by a improper closure of the omphalomesenteric duct. Many cases are asymptomatic, and the most common clinical presentation is a gastrointestinal bleeding by the presence of ectopic gastric mucosa especially during childhood.