Duplication of small intestine with perforated peptic ulcer in ectopic gastric mucosa.
D002648:Child; D005753:Gastric Mucosa / Q000002:abnormalities*; D006801:Humans; D007583:Jejunum / Q000002:abnormalities*; D008297:Male; D010439:Peptic Ulcer Perforation; D010538:Peritonitis / Q000209:etiology*