title: Gastric duplication presenting as cyclic abdominal pain.
mesh_terms: D000005:Abdomen; D002675:Child, Preschool; D003937:Diagnosis, Differential; D013273:Diverticulum, Stomach / Q000150:complications / Q000175:diagnosis* / Q000000981:diagnostic imaging / Q000601:surgery; D006801:Humans; D008297:Male; D010146:Pain / Q000209:etiology*; D010507:Periodicity; D011859:Radiography