| Duodenal ulcer - outer appearance | |
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Longitudinal duodenal ulcer at the ventral wall of the bulb with regular, rounded edges above and an ulcer base below the normal mucosal surface. The ulcer base is flat and partly covered by fibrin. |
| Duodenal ulcer |  Outer appearance |
 Hemorrhage-Clipping |
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| Hemorrhage-Adrenalin |
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| Visible vessel |
| Duodenal ulcer - outer appearance | |
|
Longitudinal duodenal ulcer at the ventral wall of the bulb with regular, rounded edges above and an ulcer base below the normal mucosal surface. The ulcer base is flat and partly covered by fibrin. |