title: Ectopic gastric mucosa in the ileum: a cause of intussusception.
mesh_terms: D002648:Child; D002828:Choristoma / Q000150:complications* / Q000473:pathology; D005753:Gastric Mucosa; D006801:Humans; D007082:Ileum / Q000473:pathology*; D007414:Intestinal Neoplasms / Q000150:complications* / Q000473:pathology; D007443:Intussusception / Q000209:etiology*; D008297:Male