Catastrophic Gastrointestinal Bleeding: Always Consider Meckel's Diverticulum.

Meckel's diverticulum is more commonly found in children than in adults and can cause gastrointestinal bleeding.The diagnosis of Meckel's diverticulum can be complicated, especially in adults because the sensitivity of examinations decreases with patient age.Despite appropriate diagnostic evaluation, Meckel's diverticulum is sometimes only diagnosed at surgery.