One quarter of Meckel's diverticula are covered by ectopic gastric mucosa and many may present histological inflammatory changes. Helicobacter pylori grows preferentially on an acid ground but has been found in different parts of the gastrointestinal tract. A prior hypothesis of a pathogenic role for this bacterium in some of Meckel's diverticula with ectopic mucosa is not confirmed by this study covering 21 cases.
Adult Choristoma