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<bold><italic>Figure 15-14</bold> Perforated peptic ulcer of stomach.</bold>
Gastric ulcer. The stomach has been opened to reveal a sharply demarcated, deep peptic ulcer on the lesser curvature.
Duodenal ulcer. A sharply punched-out peptic ulcer of the duodenum is situated immediately below the pylorus.
<bold>Fig GI 10-10 Peptic ulcer disease.</bold> (A) Large incisura (black arrow) simulating a filling defect on the greater curvature. The incisura is incited by a long ulcer (white arrows) on the lesser curvature. (B) Double pylorus. The true pylorus and the accessory channel along the lesser curvature are separated by a bridge, or septum, that produces the appearance of a discrete lucent filling defect (arrow).
<bold>Fig GI 10-10 Peptic ulcer disease.</bold> (A) Large incisura (black arrow) simulating a filling defect on the greater cu...