title: Acute gastroenteritis not always benign.
mesh_terms: D000038:Abscess; D000208:Acute Disease; D001062:Appendectomy; D005260:Female; D005759:Gastroenteritis / Q000209:etiology / Q000628:therapy; D006801:Humans; D007082:Ileum; D007223:Infant; D007443:Intussusception / Q000150:complications; D010529:Peritoneal Cavity