Tamzaourte Mouna

Gastric Heterotopia of The Duodenal Bulb: An Unusual Cause of Melena

Imane Mouslim, Salma Ouahid, Chaimae Jioua, Sanae Berrag, El Ktaibi Abderrahim, Aanaque Ilhame, Fouad Nejjari, Tarik Addioui & Tamzaourte Mouna · Asian Journal of Research and Reports in Gastroenterology · 2026

Gastric heterotopia (GH) is a rare congenital condition characterized by the presence of gastric mucosa outside its normal anatomical location. Although typically benign, GH can occur throughout the gastrointestinal tract and most frequently involves the duodenal bulb, where it o...