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Anatomy · Abdomen and pelvis: stomach
Sample itemA man with a chronic posterior-wall gastric ulcer in the body of the stomach has persistent back pain after meals. Through the lesser sac, the ulcer has most probably penetrated into which structure?
Original practice item, not a recalled exam question. Nothing here is recorded.
The answer and the reasoning
B. Body of the pancreas
The structures forming the stomach bed lie behind the lesser sac and include the pancreas, splenic artery, left kidney and suprarenal, spleen and transverse mesocolon. A posterior ulcer can penetrate into the pancreas, causing back pain, and can erode the splenic artery to cause haemorrhage. Anterior ulcers adhere to the liver or abdominal wall.
Option by option
A. Left lobe of the liver
The left lobe of the liver is an anterior relation of the stomach.
B. Body of the pancreas (correct)
Correct. The pancreas forms part of the stomach bed behind the lesser sac.
C. Anterior abdominal wall
The anterior abdominal wall is an anterior relation, and anterior ulcers perforate into the peritoneal cavity.
D. Gallbladder
The gallbladder is related to the duodenum and liver and not to the posterior wall of the gastric body.
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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