Gastric cancer — ESEGH MCQ
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Correct answer: C — Gastric outlet obstruction
The best answer is “Gastric outlet obstruction”. Persistent postprandial vomiting, early satiety, a succussion splash and hypochloraemic metabolic alkalosis localise the syndrome to gastric outlet obstruction rather than primary dysmotility or distal intestinal obstruction. The alternatives “Diabetic gastroparesis”, “Small intestinal obstruction”, “Chronic intestinal pseudo-obstruction”, “Rumination syndrome” are plausible in related gastroenterology presentations but do not match the defining finding, threshold, sequence or UK pathway in this stem.
Reference: British Society of Gastroenterology clinical resources: https://www.bsg.org.uk/