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General Surgery · Stomach: bleeding duodenal ulcer
Sample itemA man with a known duodenal ulcer develops massive haematemesis and shock. At surgery a posterior wall ulcer has eroded into an artery. Which vessel is most likely involved?
Original practice item, not a recalled exam question. Nothing here is recorded.
The answer and the reasoning
D. Gastroduodenal artery
A posterior duodenal wall ulcer lies against the gastroduodenal artery behind the first part of the duodenum, so erosion causes torrential bleeding. Treatment is endoscopic haemostasis, angio-embolisation or under-running the vessel at surgery. Anterior ulcers tend to perforate while posterior ulcers bleed.
Option by option
A. Left gastric artery
The left gastric artery supplies the lesser curve and is a relation of gastric ulcers.
B. Splenic artery
The splenic artery is related to posterior gastric ulcers or the pancreas.
C. Right gastroepiploic artery
The right gastroepiploic artery runs along the greater curve.
D. Gastroduodenal artery (correct)
Correct. The gastroduodenal artery lies posterior to the first part of the duodenum.
Source note: Original NextPrep sample item — pending expert review. This item is original practice material awaiting independent expert review, so confirm important facts in a standard textbook.
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