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Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
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In gastric outlet obstruction in a peptic ulcer patient the site of obstruction is most likely to be :
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The correct answer is  Answer is B (Duodenum) Gastric outlet obstruction in a patient with peptic ulcer disease is suggestive of pyloric stenosis. The term pyloric stenosis is normally a misnomer. The stenosis is seldom at the pylorus. Commonly the stenosis is found in the first pa of the duodenum, the most common site for a peptic ulcer.