Larsen E H, Diederich P J, Sørensen F B
Acta Chir Scand. 1985;151(6):575-6.
Gastric mucosa can be found in the gallbladder as a congenital heterotopia. A case of a perforated peptic ulcer in the gallbladder with concomitant hemorrhage in heterotopic gastric mucosa causing hematemesis and melena is presented.