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MBBS QUESTION #10198
Question 1
A patient with a chronic duodenal ulcer on the posterior wall of the first part of the duodenum develops sudden massive hematemesis. Given the retroperitoneal course of this vessel just behind the duodenum, which artery is most at risk of erosion?
  • Splenic artery
  • Gastroduodenal artery✔️
  • Superior mesenteric artery
  • Left gastric artery
Correct Answer Explanation
The gastroduodenal artery runs directly posterior to the first part (superior part) of the duodenum before dividing into its terminal branches; a posteriorly penetrating duodenal ulcer can erode into this vessel, causing severe, potentially life-threatening hemorrhage.